You can use the export to PDF function, available in 3.3, to create a printable book from eZ publish.
Example
Online doc:
http://ez.no/developer/ez_publish_3/documentation/installation
PDF doc: http://ez.no/content/download/43454/110941/file/install_manual.pdf
The PDF is template based so you can change the look and feel of your book with templates.
