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Harrison, Mark
Mark Harrison has been a professional ELT author for 15 years. He has written a wide range of practice test books, for the IELTS, FCE, CAE, CPE and BEC exams. He has also been the Chair of and a writer for a variety of Cambridge exams, including IELTS, FCE, CAE, CPE and BEC. In addition, he has written both grammar and vocabulary books, and contributed to dictionaries, CD-ROMs and online materials.