Resources and material: 

Reference books:
1000 pictures for teachers to copy
An A-Z or ELT
Basic Writing Skills
Beginners Communication Games
English Grammar in Use - Murphy
Essential Grammar in Use
Elementary Communication Games
Elementary Grammar Games
Games for Language Learning
How English works
How to teach vocabulary
Introducing English Pronunciation (part of Tree or Three and Ship or Sheep)
Pictures of English Tenses
Practical English Usage
Pronunciation Games
Sound Foundations
Ship or Sheep
Tree or Three
The Practice of English language teaching
Teaching Tenses
Teaching Writing Skills

Learner English

Learning Teaching

Learning to teach English
Course Books
English File Beginners Student's Book
English File Pre Intermediate Student's Book
English File Intermediate Plus Student's Book
English File Advanced Student's Book
New English File Elementary Teacher's Book
Inside Out Elementary - Student's book
Inside Out Pre Intermediate - Audio  CD2
Inside Out Pre Intermediate Students' Book
New English File Intermediate Student's Book
New English File Intermediate Teacher's book
New English File Advanced Student's Book
New Cutting Edge Elementary Student's Book
New Cutting Edge Pre intermediate Student's Book 
New Cutting Edge Intermediate ​Student's Book
New Headway Beginner Teacher's Book
New Headway Beginner Student's book
New Headway Elementary Student's Book
Headway Elementary StBk - audio
New Headway Intermediate Student's book
Headway Intermediate StBk - audio
New Headway Pronunciation Pre Intermediate

New Headway Pronunciation Upper Intermediate