Books to earn.

Adsense Unleashed: Adsense A-z Plus 175 Killer Tips And Tricks by Bottletree

Peachpit Press
MySpace Maxed Out: Explode Your Popularity, Buzz Your Band and Secure Your Privacy on MySpace by Editors of BottleTree

The AdSense Code: What Google Never Told You About Making Money with AdSense by Joel Comm

The Google AdSense Handbook by Angus McLeod

SEO Answer Book Special Edition Website Optimization for Real Estate Professionals by Michael Small

Blogging For Dummies (For Dummies (Computer/Tech)) by Brad Hill