Essential Grammar in Use with Answers: A Self-Study Reference and Practice Book for Elementary Learners of English

English Grammar in Use Book with Answers: A Self-Study Reference and Practice Book for Intermediate Learners of English

Supercommunicators: How to Unlock the Secret Language of Connection

The Unfolding of Language: An Evolutionary Tour of Mankind's Greatest Invention

The Definitive Book of Body Language: The Hidden Meaning Behind People's Gestures and Expressions

Selisik Bahasa dan Sastra: Kumpulan Kajian Kebahasaan dan Kesastraan

Perfect English Grammar: The Indispensable Guide to Excellent Writing and Speaking

The English Grammar Workbook for Adults: A Self-Study Guide to Improve Functional Writing