iSilo (Med Apps)

This is one application you should have in your PDA (especially if you're in the Medical/Paramedical Profession). It's a document reader that is supported by lots of "free" e-books designed especially for the Medical/Para-medical professionals. If you are not too fond of the expensive Skyscape version of your books, then iSilo is the application to have. Besides ebooks for this application is extensive.