Ключевые слова: background, book, books, closeup, color, colored, colorful, computer, contemporary, cover, digital, display, e book, e reading, ebook, education, electronic, equipment, group, hardcover, heap, image, information, internet, isolated, laptop, learning, library, literature, medium, nobody, notebook, novel, on, page, paper, pile, reader, reading, school, stack, tablet, technology, textbook, white,