ContentRobot likes these blogging books, which were published between January to June 2008. We think they are essential for your summer reading.
How to Make Money with Your Blog : The Ultimate Reference Guide for
Building, Optimizing, and Monetizing Your Blog
by Duane Forrester, Gavin Powell
Corporate Blogs and Communications in Relationship Management
by Ann Katrin Deterding, Constantin Meissner
ProBlogger : Secrets for Blogging Your Way to a Six-Figure Income
by Darren Rowse, Chris Garrett