A free online version of Mastering Digital SLR Photography can be read here. Sadly this link no longer works.
The book contains the following sections;
- Digital SLR Photography Now and in the Future
- Digital SLR Technology Made Easy
- Mastering Your dSLR’s Controls
- dSLR Quirks and Strengths
- Working RAW
- Working with Lenses
- Close-Up Photography
- Capturing Action
- Composition and dSLRs
- Mastering dSLR Special Features
Helderberg Photographic Society 
Broken link, clicking on this link (http://issuu.com/mbhutta/docs/mastering_digital_slr_photography) shows error page.