Diane Pinkley is former Director of the TC TESOL Certificate Program in the TESOL Program, Department of Arts and Humanities, at Teachers College, Columbia University in New York City. She is a well-known teacher trainer and author in ESL/EFL, and has traveled around the world presenting academic papers and leading teacher training workshops. She has authored bestselling series for both ... Read morechildren and adults, as well. Formerly the Director of the Institute of North American Studies in Badalona, Spain, and Curriculum Coordinator at the Michigan Language Center in Ann Arbor, Michigan, she has taught all levels of ESL and EFL. Gabrielle Pritchard is an author of EFL courses and children’s books. Based in the UK, she has, over the last twenty years, written materials for EFL students at all levels. Her special interest is in developing materials for young learners, both as an author and as a consultant. Show Less