""The Big Red Book comes to your Palm with the release of AHFS DI (AHFS Drug Information) by Skyscape

First published in 1959, the 'Big Red Book,' as it's come to be known, has gone the extra mile for pharmacists and healthcare professionals seeking answers to the most detailed questions. It provides more extensive evidence-based data than any other drug reference and is now available for the PDA.

""

[Via The Palmdoc Chronicles]

I prefer this text for looking up drug information and find the information it contains much more useful. It seems as though the PDR contains every possible complication as a CYA for the drug maker. The AHFS book doesn't give me that impression.