These ebuilds come from http://arcong.ath.cx/.
If you have some problems, go to the official site first.
fbreader : E-Book Reader. Supports several e-book formats: fb2 (fictionbook), html, chm, plucker, palmdoc, zTxt, tcr, rtf, oeb, openreader, mpbipocket and plain text. Also provides direct reading from tar, zip, gzip and bzip2 archives, including support of multiple books in one archive ( http://www.fbreader.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org