For any reader, it's the nightmare e-reader scenario. "There's nothing more frustrating than being 10 pages from the end of your mystery novel and having the words fade into oblivion as your battery dies," says Andrea Eldridge of Nerds on Call. The likelihood of that actually happening depends on which e-reader you select. Most e-readers have good battery life, but there is some variation, which is important to understand. "The Kindle Touch and Kindle Keyboard both boast a battery life of up to two months when Wi-Fi is turned off," says Best Buy's Paulson. "Similarly, the Nook Simple Touch reader lasts up to 60 days with the wireless option off. Others, like the SuperNova 8 media reader or the Kindle Fire only have a battery life of up to 6 to 8 hours."
Read on to discover why it's important to know what libraries you can access.