FBReader is an e-book reader for various platforms. Features: Supported e-book formats are: ePub, an international e-publishing standard. fb2, a Russian e-books standard de facto. Non-DRM'd version of Mobipocket, a popular commercial e-book format (Mobipocket eBook Reader). plain text is supported, however FBReader might not always correctly split text into paragraphs. some subsets of RTF and MS Word Doc.