Test your book title with Google AdWords

I stole this idea from Tim Ferris's The 4-Hour Workweek book. He has tested the title for his book this way, and I'm thinking of doing the same for the book of WRITING TIPS you asked me for, compiled from these daily posts (it's coming...it's coming).

The way to do it is simple. 

Come up with a few title versions—Tim suggests five—then do the cheapest text-based Google ads. They will rotate automatically. Have them point to a page on your site where it says something like "The book is on back...