ELT Teacher 2 Writer have combined five key titles from their ELT writer training series to create a complete course in writing ELT materials for specific purposes: ESP, corporate training, business English, ESOL and EAP. The contributing authors are all experts in their field, and have written international best-selling ELT courses. This book provides: step-by-step instructions for writing watertight activities, tips to guide you through the pitfalls you need to avoid, practical tasks with detailed keys to guide you through the decisions you need to make, checklists for easy reference and a glossary of ELT terms.This book forms part of the ELT Teacher 2 Writer training series. The series is designed to help you write better ELT materials, either for publication, or simply to improve the quality of your self-produced classroom materials.