A handheld device specialized for reading electronic books. Unlike tablets, one of the major advantages of e-book readers is their extremely long battery life, up to a month in some cases.

Prime members can choose to download one free e-book every month from a rotating list—though some months that number is bumped up to two—and non-members get them for a discounted price.

26, it was eliminating “Download & Transfer via USB. All Kindle e-book owners will be restricted to downloading Kindle books via WiFi. The former option was one of the last loopholes readers ...