We would like to thank all the staff at Express Publishing who have contributed their skills to producing this book. Thanks are due in particular to: Meryl Phillips (Editor in Chief); Julie Rich (senior editor); Bettina Fredericks, Irene Diamond and Nina Peters (editorial assistants); Alex Barton (senior production controller). We would also like to thank those institutions and teachers who piloted the manuscript and whose comments and feedback were invaluable in the production of the book. Special thanks to Daniel, Frederick, Nadia, Marietta, Spiros and Jackie who play the parts of Eddy, Tom, Cindy, Lin, Oscar and Wendy as well as to Kimon, Theo, Angelo, Angelina, Gus, Julia, Pan, Melissa, Joanna, Tatiana, Nicole, Catherine, Louis, Renata and Gina who took part in the photo shooting.