Ключевые слова: background, book, bookcase, bookshop, bookstore, booktext, bright, cognition, copy, cover, covers, diligence, easy, education, encyclopedia, everybody, everywhere, free, freedom, hope, information, knowledge, learning, library, literature, novel, object, old, one, open, page, pages, paper, paperback, publication, read, readers, reading, reflective, school, science, simple, space, study, surface, text, textbook, wallpaper, white, wisdom,