A new book (http://www.sprypublishing.com/book_info.html) on Muay Thai was mentioned on the Eskrima Digest. There are a few sample chapters online with some nice photos.

The current issue of Martial Arts Presents (http://www.cfw2.com/magazine.asp?content_id=1376) is focused on Muay Thai. The table of contents indicates the usual hype for a martial arts magazine:

Thai Boxing Real-World Self-Defense
When the lives of you or your loved ones are on the line, Thai boxing may be your only hope.