American English File Level 4: Student Book/Workbook Multipack B
Clive Oxenden has taught English and trained teachers for 23 years, mainly in Spain but also in Turkey, Kuwait, Algeria, and the UK, where he was the RSA tutor at Padworth College in Berkshire. He has spent the last fifteen years teaching at the British Council, Valencia. Paul Seligson has  been teaching EFL since 1978. He now works freelance, dividing his time between writing, training, and travelling. In 2000 and 2001 he worked for OUP in Brazil as a teacher trainer.