calibre Portable 7.13.0 (ebook manager, viewer, converter) Released

A new version of
calibre Portable has
been released by PortableApps.com. calibre is an ebook manager, converter, and
viewer with support for a variety of formats and devices. It's in
PortableApps.com Format so it can easily integrate with the PortableApps.com
Platform. And it's open source and
completely free.

Update automatically or
install from the portable app
store in the
PortableApps.com Platform.

link