Practical English Usage (3rd Edition)
English Grammar In Use with Answers and CD ROM: A Self-study Reference and Practice Book for Intermediate Students of English
Essential Grammar in Use Edition With Answers: A Self-Study Reference and Practice Book for Elementary Students of English: A Self-study Reference and ... Students of English (Grammar in Use)
Advanced Grammar in Use with Answers (Grammar in Use)
In at the Deep End (Speaking Activities for Professional People)
My Grammar and I (Or Should That Be 'Me'?): Old-School Ways to Sharpen Your English