One way to protect yourself from Endermen is to build Enderman Proof Shelters. Two simple Enderman Proof Shelters are 1, a 2-block high, at least 2-block wide area (2 blocks wide because an Enderman could reach in with its long arms), and 2, which is just a pool of water, but also needs to be at least 2 blocks wide.
The file type .mobi is an eBook format created by a French eBook company called Mobipocket which created a free software application for multiple devices including PDAs, smartphones and tablet devices.
Calibre, for example, can convert MOBI files to lots of different formats, and Mobi File Reader supports saving an open MOBI file to TXT or HTML. MOBI files can be converted with other Free File Conversion Software Programs or Online Services too. An excellent example is Zamzar, an online file converter.