The Nook Simple Touch GlowLight is one of the best e-readers on the market. It has a very nice form and a great screen. And now it’s also the cheapest of its kind. B&N just announced a $20 price cut, bringing the GlowLight’s price down to just $99. The ad-supported Kindle Paperwhite is $119 and the Kobo Glo is $129.99.