Ключевые слова: back, background, book, bookshelf, brown, business, close, college, data, design, desk, education, empty, entertainment, expertise, fair, green, group, hardback book, information, interior, knowledge, law, learn, library, literature, mark, novel, page, paper, reading, relaxing, research, row, school, science, shelf, spine, stack, study, studying, textbook, texture, university, vintage, wisdom, writing,