Pocketbook has been a brand that has been around for close to 15 years. They were the first ones to employ E INK Triton color e-paper, a precursor to modern-day Kaleido 3. There are several benefits to Pocketbook, including most models featuring page-turn buttons, expandable storage, and both black and white and color e-paper screens. Today, we’re taking a look back at the best e-readers Pocketbook has ever made. Michael Kozlowski Michael Kozlowski has written about audiobooks, e-books and e-readers for the past eighteen years.