Ключевые слова: 3d, blank, book, booklet, brochure, catalog, clean, content, cover, design, diary, document, education, empty, front, handbook, hardcover, illustration, isolated, journal, learning, library, literature, magazine, media, middle, mock, mockup, note, notebook, object, open, page, paper, presentation, publication, publish, read, school, shadow, sheet, single, study, template, text, textbook, up, wisdom,