Carol Skinner has extensive experience in TEFL. She has taught English in many countries around the world. After completing her RSA diploma and teaching in England, Carol went to Greece, where she starter her career working as a teacher trainer and then as a Field Editor for Longman. Carol is a now a full-time author for Longman. Her publications include English Together Starter book for Primary students, Longman Young Readers Polka Dot Playlets series, Go! Students' Book 1, In Touch 1 -3, and the brand new Friends series for Lower Secondary students.

Jill Hadfield has worked as a teacher and teacher trainer in Britain, France, China, Tibet and Madagascar and run short courses and seminars for teachers in many other parts of the world.  She is the author of fifteen resource books for teachers, including the Longman Communication Games series, five books in the new Oxford Basics series and Classroom Dynamics.  She has also written two travel books and a novel.