The AdSense Code: What Google Never Told You About Making Money with AdSense
by Joel Comm
Amazon Price: $16.47
Customer Review: If you are trying to make money by using the internet you have to get this book.This is pretty easy to follow.This will help you achieve your goals.

The Best Damn GOOGLE ADSENSE Book B&W EDITION: How to make dollars instead of ...
by Harry J. Misner
Amazon Price: $31.57
Customer Review: I was surprised to find that the publishing quality of this book is very poor. It looks like something someone printed from their own printer with no professional layout experience whatsoever. There i...

Google Advertising Tools: Cashing in with AdSense, AdWords, and the Google APIs
by Harold Davis
Amazon Price: $19.79
Customer Review: The book is pretty insightful for the price.A good book and has some good information.

Google AdSense For Dummies (For Dummies (Computer/Tech))
by Jerri L. Ledford
Amazon Price: $16.49
Customer Review: Not the best Google Adsense book on the market, but I thought it covered most of what's needed to be succesful with Google Adsense.

Twitter: How Short Messages Can Make A Big Difference To Your Business
by Joel Comm
Amazon Price: $7.96