Pre-lntermediate Matters, Intermediate Matters and Upper Intermediate Matters form an integrated three-part course for learners of English. Each level provides approximately 90-120 hours of classroom material in twenty units. The Workbook reinforces and extends the language presented in the Students' Book. It can be used for homework, for further practice in class, or as a resource in a self-access centre. The Workbook Cassette contains all the recorded material needed for the listening and pronunciation exercises in the Workbook.