- Grammar for English Language Teachers, 2nd Edition by M. Parrott
- Learner English: A Teacher’s Guide to Interference and Other Problems, 2nd Edition by M. Swan & B. Smith
- Learning Teaching: The Essential Guide to English Language Teaching, 3rd Edition by J. Scrivener
- The Practice of English Language Teaching, 5th Edition by J. Harmer
I'm very interested to hear your favorites as well. What books have helped you most in your own English teaching career? What course books have you used in your classrooms, and were they any good?