books.google.co.uk - "Learner English is a well-established and successful reference book for teachers of British English. This new edition builds on the success of the original book. It has been rewritten and extended to provide information on the typical problems and error-patterns of a wide range of learners of English...http://books.google.co.uk/books/about/Learner_English_Audio_Cassette.html?id=6UIuWj9fQfQC&utm_source=gb-gplus-shareLearner English Audio Cassette