Ключевые слова: background, blank, book, business, college, college book, content, design, diary, diy, document, education, empty, empty book, find, finding, instruction manual, isolated, learning, literature, looking for, loupe, loupe book, magnify, magnify book, magnify glass, manual, message, note, notebook, object, open, page, paper, reading, science, science book, science loupe, shelf, study, studying, textbook, wisdom,