Ключевые слова: background, book, bookcase, bookcrossing, books, bookshelf, bookstore, brown, collection, college, concept, cover, culture, design, education, educational, encyclopedia, group, hardback, information, knowledge, learn, leisure, library, literacy, literary, literature, lot, many, object, old, open book, page, paper, pile, read, retro, school, science, side, spine, stack, student, study, studying, textbook, texture, university, vintage, wisdom,