Ok, it's called The Walk West: A Walk Across America 2



but, he's written a ton more! OH MY GOSH! I know what I want for my birthday now! Here's a link....

http://www.amazon.com/exec/obidos/se...176804-3749419

Some of them are not at all about geography, though, I wonder if it's a different Peter Jenkins. I mean, there are several right away that are obviously the same person. I can't wait to get all of them, I loved the two that I read.