{ "book_type": "Kids Dinosaur Coloring Book", "theme": "Prehistoric Jungle", "title": "Dino Adventures Coloring Book", "subtitle": "30 Fun Dinosaur Coloring Pages for Kids Ages 4–8", "author": "Author Name", "cover_style": "Playful, colorful, professional", "elements": "Friendly dinosaurs, tropical plants, volcanoes, subtle prehistoric details", "typography": "Bold, fun, highly readable", "finish": "Clean composition, subtle depth and texture, KDP-ready" }