A book lies in the author series 2 Hu Min and John A Gordon (with the legend of Le Huy Lam). Essential Skills for IELTS book - Expanding Vocabulary Reading through this help you enhance your vocabulary available through access to various types of readings and exercises to enhance vocabulary for IELTS (This is the ebook file should the original book glossary in Chinese, you use for reference, if you should purchase the original book will be equal Vietnamese glossary understandable.