I have written this guy at least 5 times a personal email. Does not seem to want to answer. But nonetheless he has a book that I would consider a classic in Travel Genre.
"The Practical Nomad: How to Travel Around the World."
I do not have time to read his stuff, because when really traveling we are on the road and not in the library. But I do know the book has a lot of pratical information. Heavy on the technical side and the fact side of travel. Lots of information on flights. I looked at his blog. If you are really a travel nerd. It is probably an insider type blog to follow. Watch your cues. He does push products.