Just Right - Upper Intermediate

Carol Lethaby writes educational materials, including "Just Right - Upper Intermediate" and "Just Right Pre - Intermediate Workbook with Answer Key and Audio CD." Her work focuses on language learning resources for various skill levels.

Jeremy Harmer is a British writer and teacher trainer in English language teaching. He is best known for The Practice of English Language Teaching, the handbook set on most teacher-training courses, and has also written coursebooks and graded readers for learners themselves.