Ключевые слова: background, big, blue, book, bookstore, collection, color, colorful, detail, document, education, green, group, handbook, hardcover, history, information, intelligence, isolated, knowledge, learning, library, life, literature, lot, new, novel, objects, old, paper, part, pile, publication, reading, research, school, several, stack, standing, study, studying, textbook, texture, traditional, tree, volume, white, wisdom, wood,