Ключевые слова: background, backs, binding, blank, book, book binding, book cover, book store, books, brochure, close, closeup, collection, colors, colour, concept, covers, design, different, education, group, heap, information, knowledge, learn, library, literature, lot, multicolour, old, paper, pile, piled, plain, read, reading, school, several, sizes, small, stack, stacked, study, text, textbook, university, untidy, up, various, white,