There are currently 2 books put out by Vern at ThailandSnakes.com. One is free.
Photos of Common Thailand Snakes – FREE! Identify the most common snakes in Thailand with this helpful illustrated guide. This snake ebook is available in PDF and iBooks format for iPad, iPhone, and MacBook computers. More info HERE.
Is That Snake In Your House Dangerous? Identify Deadly Thailand Snakes In Under 5 Minutes! This is a must-have book for all English speaking expats residing in Thailand for extended periods. The book covers details about the 35 most dangerous snakes in Thailand, and how to treat bites from each. Excellent information – not found anywhere else. More info HERE.