Ключевые слова: antique, book, bookcase, bookshelf, cover, experience, expertise, group, hardcover, hardship, heap, ideas, information, intelligence, learning, library, literature, old, open, paper, pile, rack, read, regiment, research, retro, school, science, searching, shelves, shop, smart, story, study, studying, text, textbook, trial, university, vintage, wisdom, wood,