Librera Reader is a light-weight and free book reading application that will devour almost any e-book format one can throw at her: PDF, EPUB, EPUB3, MOBI, DJVU, FB2, FB2. ZIP, TXT, RTF, AZW, AZW3, HTML, ODT, XPS, CBZ, CBR, TIFF, PDB, MHT and OPDS Catalgos. It also supports reading out loud, using whatever TTS engine installed on your device.