FBReader will allow you to read ebooks on the operating system of your choice.

Here are some key features of "FBReader":

· Supported formats are
· fb2 e-book format (style attributes are not supported yet).
· HTML format (tables are not supported).
· CHM format (tables are not supported).
· plucker format (embedded images are supported, tables are not supported).
· Palmdoc (aportis doc).
· zTxt (Weasel format).
· TCR (psion text) format.
· RTF format (stylesheets and tables are not supported).
· OEB format (css and tables are not supported).
· OpenReader format (css and tables are not supported).
· Non-DRM'ed mobipocket format (tables are not supported).
· Plain text format.
· Direct reading from tar, zip, gzip and bzip2 archives. (Multiple books in one archive are supported.)
· Supported encodings: utf-8, us-ascii, windows-1251, windows-1252, koi8-r, ibm866, iso-8859-*, Big5, GBK. Automatic encoding detection is supported.
· Automatically generated contents table.
· Embedded images support.
· Footnotes/hyperlinks support.
· Position indicator.
· Keeps the last open book and the last read positions for all opened books between runs.
· List of last opened books.
· Automatic hyphenations. Liang's algorithm is used. The same algorithm is used in TeX, and TeX hyphenation patterns are used in FBReader. Patterns for Czech, English, Esperanto, French, German and Russian are included in the current version.
· Text search.
· Full-screen mode.
· Screen rotation by 90, 180 and 270 degrees.