Language Clarification and Practice: Teaching Grammar, Vocabulary, Lexis
This was the first book I ever bought as a fledgling English teacher. It saved me on many an occasion when I was busy lesson planning and trying to anticipate questions about meaning , form and register. It’s a book for dipping into as needs arise.
English Language Teaching Books
These books on English language teaching are often on the recommended reading list given to you by many teacher trainers. Some may help with your pre-training tasks set for you by your tutors.