Ключевые слова: abstract, art, background, blue, book, bookstore, brown, business, collection, college, colorful, construction, cover, culture, decoration, design, education, green, group, hardcover, horizontal, information, knowledge, learning, library, literature, material, old, page, paper, pattern, read, red, retro, row, school, science, shelf, stack, study, textbook, textured, university, vintage, wall, wallpaper, white, wisdom, wooden, yellow,