inkBOOK 8, 8" E Ink Touchscreen Display e-Book Reader with Built-in Light, Wi-Fi - Includes Android App Store 8-inch e-Paper Display provides more screen real-estate, great text quality, and rapid page turns Install Android Apps to tailor inkBOOK for your needs and access favorite e-bookstores A single battery charge lasts weeks Superb Eye-friendly Built-in Light. Set the brightness level you like, or turn it off Advanced PDF Reflow Technology displays a multi-column document in one column which can make it much easier to read