If you do choose that option, which is $20 cheaper, the screensaver on ... lit screen on either e-reader here. Amazon has named that technology Paperwhite, while Kobo calls it ComfortLight PRO.

Learn more The e-reader market is dominated by Amazon's Kindles, but there are other worthy options out there, including Rakuten's line of Kobo devices. Compared to Kindles, Kobo e-readers offer ...