Mark Harrison is the author of a wide range of practice test books, including FCE Practice Tests, CAE Practice Tests, CPE Practice Tests, and co-author of BEC Vantage Practice Tests. He is also the author of First Certificate Skills: Use of English, Oxford Interactive CD-ROM Wordpower English in Use, and Grammar Spectrum 2, co-author of Oxford Practice Grammar Basic, and author of the accompanying CD-ROM. Mark played an important role in the writing of the Oxford Wordpower Dictionary, the Oxford Advanced Learner's Dictionary (contributing to the highly successful accompanying CD-ROM), and the Oxford Guide to British and American Culture. In addition, Mark has written a number of OUP books for Hungary, Poland, and Russia.