Here is a list of books I have found useful:
The Essential Guide to Teaching English and Living in Thailand by Sarah Abbott & Michael Plews
Teaching English as a Foreign Language for Dummies by Michelle Maxom
Lessons in your Rucksack: The complete TEFL survival guide by John Hughes
Living and Teaching English in Thailand by Ken Bayless
Teaching with chopsticks: TEFL from the frontline by Jonathan Last
My English is Poor. Why? by Bradley Colson
Teaching English in a Foreign Land: Travel Adventures of a TEFL Teacher by Barry O’Leary
If there are any books that you think that I could benefit from; please let me know and I will add them to the list!