Just for the heck of it - I Googled the book title, and guess what (no surprise!) it's one of those QUADRUPLE YOUR GOOGLE RESULTS magic cookbooks, undoubtably filled with fine information from someone who couldn't make a living doing SEO..

AdWords Definitive Guide - Double the Customers on your Website in 30 minutes or Less, with Google AdWords

Perry Marshall? Does that sound like a real name?

"Hi, my name is Perry Marshall, and I've sold millions of dollars of products on the web since 1997, when I was national sales manager at a hi-tech startup in Chicago. Today I consult with dozens of companies in software, publishing, manufacturing and information marketing. A day's work for me might include everything from direct mail campaigns, press conferences and copywriting to drafting a business plan for a product launch."

Right.

See: Use Google AdWords and the Power of Guerilla Marketing to Attract New Customers

"Use Google AdWords and the Power of Guerilla Marketing to Attract New Customers 24/7/365
Google AdWords: Beat The System - Access 100 million people in 10 minutes. Free Fast-Start Google AdWords 5 day email course."

One Google result was amusing:
Perry Marshall Exposed
How To Build and Automate Your Internet Business Using Chain Reaction Marketing Read This Before You Buy Perry Marshall...

And lots more. One thing for sure - "Perry Marshall" brings a lot of Google hits..