Evangelist for Open Source eCommerce (OSC) users, author of 15 user-friendly books on OSC programs including osCommerce, OpenCart, Magento, Zen Cart, Loaded Commerce, osC-MAX, and more.

My latest books are -- the OpenCart 1.5 User Manual and the osCommerce Online Merchant 2.3.1 User Manual. In downloadable PDF on my website, or in paperback on Amazon.com (January 2012).

Since 2003 I have given away hundreds of thousands of free Admin menu cheatsheets, free Quick Install Guides and 30-Minute QuickStart Guides for these and many other OSC programs. Download the free stuff from my website at oscmanuals.com, if you like it and want more you can buy the full manual.