Prompt: a static image of james bond 007 vs ET de varginha, like a draw, artistic draw, style: hq 80s, JAMES BOND FACING SOME GRAY ALIENS
Prompt: jimmy hendrix laser shotting from guitar over gray aliens group, they are fighting inside a cave, make ir like style: hq 80s draw
Prompt: color drawing a silhouette of the heroes in front of a starship near to mars, looking from the tge ship, drawn height:576
Prompt: a drawing of a man with a red laser on his face, by derek zabrocki, tumblr, joe biden as superman, doc savage, lasers shooting out of eyes, anatomy of the terminator, johan liebert, loish van baarle, rays, rotoscope, intense sunlight, fox
Style: Cinematic
Prompt: expressionist style poster, minimalist violent style, monochrome primitivism of a machine God fighting an army of monsters on a alien planet, dramatic camera angles
Prompt: picture, A tiny human watching the battle between Godzilla and Kong, with atoms in Godzilla's mouth. Style: Fantasy Art
Prompt: 2d cartoon characters, full body, Aracula fn arachnid-like skeleton humanoid six handed, bodyguard and berserker-type fighter, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: 2d cartoon characters, full body, Aracula fn arachnid-like skeleton humanoid six handed, bodyguard and berserker-type fighter, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: 2d cartoon characters, full body, Villain Aracula skeleton humanoid asarachnid six handed, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: a xenomorph and Mario from Mario Bross playing in a metal band. Epic scene. Dynamic 8mm fish eye lens. 8 strings guitars. Detailed. Neon lights.
Negative: more 2 people
Style: Line Art
Prompt: 2d cartoon characters, full body, into an undead creature, is still covered in flesh, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing arm, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, bad anatomy, gross proportion, malformed limb,extra legs, extra arms, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo
Style: Comic Book
Prompt: Prompt: In the background from the film:Cyberpunk: Edgerunners, in the middle of the ground, a businessman is giving a speach about AI, and a group of people are surrounding himand showing different reactions, 14k
Negative: nsfw,zombie,terror,Red eyes,Gangsters,Messy hairstyle
Style: Fantasy Art
Prompt: The Emeritus Math Teacher Gathering, the students together to send flowers and blessings to the festive scene
Prompt: the eerie remnants of an ancient, advanced civilization scattered across a desolate alien landscape. In the foreground, a colossal, dormant war machine looms, its metallic limbs contorted and broken, a symbol of a catastrophic experiment gone awry. Hovering in the background is a spectral rogue AI, emanating an ominous glow, its glitched tendrils hinting at the uncontrollable power that once surged through it. The atmosphere is thick with the remnants of a long-lost bioweapon, manifested in ethereal mist, adding an element of mystery to the scene. This visual encapsulates the haunting aftermath of a civilization's mistake, setting the stage for the emergence of Space Monsters spawned from the remnants of a bygone era.
Style: Line Art
Prompt: 2d cartoon characters, full body, police strider walker ED-209 as whale as gorilla, bird's-foot style kinematics, short, wide, long, silver armor, halo, glow, sparks, radiance, power, strength, luminescence, midnight, moon, paving sidewalk, explosions, damage, gunfire, against a detailed background dark evil street Old Detroit city, cartoon scenes, futuristic, sci-fi, ready to use his power, his might and his weapons, dynamic attacking pose, dnd character, Marvel Comics style, 80s, animated TV series, dark light, colorful, vibrant color, high detailed background, high detail, best quality, by Jack Kirby, Giger, Frank Mille, Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing arm, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, bad anatomy, gross proportion, malformed limb,extra legs, extra arms, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, anime, superman, ironman, star wars, batman, photorealism, edged weapon, sword, dagger, saber, animal
Style: Watercolor
Prompt: Draw Me How God Shiva and Jesus riding tyrannosaurs are fighting on horseback shooting at each other with nuclear flares against the background of planet earth
Prompt: In the background from the film:Cyberpunk: Edgerunners, in the middle of the ground, a businessman is giving a speach, and a group of people are surrounding himand showing different reactions, 14k,Morbius painting style
Prompt: 2d cartoon characters, full body, Aracula fn arachnid-like humanoid six handed, bodyguard and berserker-type fighter, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, skeleton warrior style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: expressionist style poster, minimalist violent style, monochrome primitivism of a full body machine God in a dramatic pose fighting alien lizard monsters
Prompt: low perspective, dali-esque, forced perspective, A comic book style illustration of an alien space engineer working in his futuristic laboratory, conducting experiments on extraterrestrial machinery and gadgets amid swirling colors and compounds, dramatic chiaroscuro lighting with vignetting at the edges of the page, highly detailed figures and intricate machinery, in the retro sci-fi graphic novel styles of Enki Bilal and Moebius, cel-shaded lighting, hand-drawn inked lines, analog color washes, trending on Webtoon.
Prompt: Draw a picture of Musk vs. Zuckerberg, and Musk transforms into a robot, while Zuckerberg transforms into a Lizard Man
Style: Digital Art
Prompt: 2d cartoon characters, full body, Aracula fn arachnid-like humanoid six-handed, bodyguard and berserker-type fighter, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, skeleton warrior style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: 2d cartoon characters, full body, Villain Aracula humanoid as spider, arachnid six handed, aagainst the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, spiderman
Style: Comic Book
Prompt: Lucy, her laughter echoing, outpaces Jack as they race down the sandy beach shore, their footprints disappearing behind them. The setting sun casts a warm, golden glow over the sparkling ocean waves.
Prompt: 2d cartoon characters, full body, Villain Aracula skeleton humanoid as arachnid six handed, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: low perspective, dali-esque, forced perspective, illustration of an alien space engineer working in his futuristic laboratory, conducting experiments on extraterrestrial machinery and gadgets amid swirling colors and compounds, dramatic chiaroscuro lighting with vignetting at the edges of the page, highly detailed figures and intricate machinery, in the retro sci-fi graphic novel styles of Enki Bilal and Moebius, cel-shaded lighting, hand-drawn inked lines, analog color washes, trending on Webtoon.
Prompt: A cat standing on a cliff sees a UFO, with a guardian centaur next to it, aiming a rocket launcher at it.
Prompt: 2d cartoon characters, full body, Villain Aracula humanoid as spider six handed, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: 2d cartoon characters, full body, Villain Aracula humanoid as spider six handed, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, spiderman
Style: Comic Book
Prompt: 2d cartoon characters, full body, Aracula fn arachnid-like creature six-handed humanoid, bodyguard and berserker-type fighter, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Gods of War style, skeleton warrior style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Boris Vallejo Jack Kirby Alex Ross Fred Warter Frank Mille
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman
Style: Comic Book
Prompt: concept art illustration by bruce timm for a tabletop game about a group of agile, leaping, human ninjas, battling against a large yeti creature
Negative: poorly drawn hands, too many fingers, too many limbs, mutation, poorly drawn details
Prompt: 2d cartoon characters, caricatured form, full body head and legs, cop Alex Murphy (Peter Weller), armored, shooting, gunfight, flashes, splashes, halo, glow, rays, midnight, moon, against the background of a detailed complex dark evil street Old Detroit city, rage, anger, aggression, ready to take on any opponent with his strength and supernatural abilities, cartoon scenes, sci-fi, fantasy, dynamic attack pose, dnd character, Marvel Comics style, 80s, animated TV series, dark light , dark color, high detailed background, high detail, best quality, by Jack Kirby, Alex Ross, Giger, Frank Mille, Boris Vallejo
Negative: low quality, low-grade, twins, duplicate, fused finger, missing arm, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, bad anatomy, gross proportion, malformed limb,extra legs, extra arms, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, minimalistic, badly drawn, ironman, star wars, batman, superman
Style: Comic Book
Prompt: people are running away in terror from, alien creature as (amoeba:1.4), with tentacles, one-eyed, crawls, terrorizes, frightens, intimidates, attacks, assaults, in a cave, darkness, gloom, horror, lightning, radiation, halo, aura, glow, luminescence, sparks, spatter, game Doom style, 60s, sci-fi, futurism, retrofuturism, dark colors, dark light, detailing, high detail, detailed facial features, detailed background, quality, realism, by Johnny Bruck Chris Foss Giger Boris Vallejo
Style: Comic Book
Prompt: a tall magic alien visiting the home of a tiny fantasy midget with curves, in the style of Frank Frazetta, in the style of Adrian Johnson, in the style of Lorenzo Sperlonga, in the style of Keith Garvey, in the style of Hajime Sorayama, in the style of Erik Drudwyn, in the style of Olivia de Berardinis, in the style of Boris Vallejo, in the style of Alain Aslan, in the style of Dorian Cleavenger
Prompt: 2d cartoon characters, full body, six hands muscular arachnid warrior Aracula, (spider:1.5) as skeleton, skull, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Dark Souls style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Jack Kirby Alex Ross Giger Fred Warter Frank Mille Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, spiderman
Style: Comic Book
Prompt: 2d cartoon characters, full body, six hands muscular arachnid warrior Aracula, (spider:1.5) as skeleton, skull, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Dark Souls style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Jack Kirby Alex Ross Giger Fred Warter Frank Mille Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, (spiderman:1.7)
Style: Comic Book
Prompt: 2d cartoon characters, full body, six hands muscular arachnid warrior Aracula, (spider:1.7) as skeleton, skull, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Dark Souls style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Jack Kirby Alex Ross Giger Fred Warter Frank Mille Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, spiderman
Style: Comic Book
Prompt: 2d cartoon characters, full body, six hands muscular arachnid warrior Aracula, (spider:1.2) as skeleton, skull, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Dark Souls style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Jack Kirby Alex Ross Giger Fred Warter Frank Mille Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, spiderman
Style: Comic Book
Prompt: 2d cartoon characters, full body, six hands muscular arachnid warrior Aracula, (spider:1.3) as skeleton, skull, against the backdrop of a fantastic futuristic alien planet, glow, halo, sparks, splashes of light, aura, dynamic action pose, dnd character, game Dark Souls style, cartoon style, animated TV series, dark light, colorful, darc color, high detailed background, high detail, best quality, by Jack Kirby Alex Ross Giger Fred Warter Frank Mille Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, gross proportion, malformed limb, extra legs, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, photorealism, photo, superman, batman, ironman, spiderman
Style: Comic Book
Prompt: 2d cartoon characters, full body, ED-209 hull as killer whales form, silver armor, halo, glow, sparks, radiance, power, strength, luminescence, midnight, moon, paving sidewalk, against a detailed background dark evil street Old Detroit city, cartoon scenes, futuristic, sci-fi, ready to use his power, his might and his weapons, dynamic action pose, dnd character, Marvel Comics style, 80s, animated TV series, dark light, colorful, vibrant color, high detailed background, high detail, best quality, by Jack Kirby, Giger, Frank Mille, Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing arm, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, bad anatomy, gross proportion, malformed limb,extra legs, extra arms, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, anime, superman, ironman, star wars, batman, photorealism
Style: Comic Book
Prompt: 2d cartoon characters, full body, ED-209 hull as killer whales form, silver armor, halo, glow, sparks, radiance, power, strength, luminescence, midnight, moon, paving sidewalk, against a detailed background dark evil street Old Detroit city, cartoon scenes, futuristic, sci-fi, ready to use his power, his might and his weapons, dynamic action pose, dnd character, Marvel Comics style, 80s, animated TV series, dark light, colorful, vibrant color, high detailed background, high detail, best quality, by Jack Kirby, Chris Foss, Giger, Frank Mille, Boris Vallejo
Negative: low quality, low-grade, twins, ugly, duplicate, deformity, ugliness, morbid, mutilated, fused finger, missing arm, missing leg, extra finger, poorly drawn hand, poorly drawn face, deformed, bad proportion, cloned face, disfigured, extra limb, bad anatomy, gross proportion, malformed limb,extra legs, extra arms, identical positions, duplicates, repeats, ultra realistic, no expression, blurry, 3d, ugly face, low detail, empty background, out of crop, nsfw, nude, anime, superman, ironman, star wars, batman, photorealism
Style: Comic Book