Maintaining a good reference library of software manuals and guides can come in handy, even in this age of online tools. Not all reference material is published in an online format and sometimes a particular author or guide book series is primarily available in print versions, with supplementary information on the publisher's or author's Web site.

Joomla! Explained: Your Step-by-Step Guide (Joomla! Press)

By Stephen Burge
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SugarCRM For Dummies

By Karen S. Fredricks
Get this book at Amazon.com