Book PNG icon by bmson (http://bmson.deviantart.com/)

Basic Icons by PixelMixer (http://pixel-mixer.com/)

Sample book "2 B R 0 2 B" by Kurt Vonnegut, digitized by
Project Gutenberg (http://www.gutenberg.org/)

Zlib data compression library are copyright (C) 1995-2010 Jean-loup Gailly and
Mark Adler (http://zlib.net/)

Minizip library copyright (C) 1998-2010 Gilles Vollant, Even Rouault and
Mathias Svensson (http://www.winimage.com/zLibDll/minizip.html)

Book SVG icon by Chris Down/Tango project:
http://tango.freedesktop.org/Tango_Desktop_Project. The icon is released into
the public domain. The Tango! Desktop Project grants anyone the right to use
this work for any purpose, without any conditions, unless such conditions are
required by law.