Below are key texts for TESOL. You can also search for other resources via the following website:
Just enter "TESOL" into the search box.
Benson, Phil, and David Nunan, Eds. Learner Stories: Difference and Diversity in Language Learning. Cambridge, Eng.: Cambridge University Press, 2005.
Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. White Plains, NY: Pearson Education, 2007.
Brown, H. Douglas, and Susan T. Gonzo, Eds. Readings on Second Language Acquisition. Englewood Cliffs, NJ: Prentice-Hall Regents, 1995.
Richards, Jack C., and Charles Lockhart. Reflective Teaching in Second Language Classrooms. New York: Cambridge University Press, 1994.
Scovel, Thomas. Learning New Languages. Boston, MA: Heinle and Heinle, 2001.
Tsui, Amy. Understanding Expertise in Teaching: Case Studies of Second Language Teachers. New York: Cambridge University Press, 2003.