I like to read Skip McGrath blog about making money on eBay. He specializes in informational products. He recently wrote a post devoted to affiliate marketing.
In it he praised Jeremy Palmer's book (Jeremy probably got the Google alert), among others. ”
I'm not familiar with the other products Skip reviews briefly. I have more to read and study right now than I can keep up with (even for someone as addicted as I am!). Anyone who wants to sell online should try listing their product on eBay first (because it gets so much traffic and is pretty inexpensive to use as a test market) or run paid advertising with a landing page. Design your web site around what works and which keywords convert.