How to Teach English is a practical guide for new and experienced teachers that explores the key principles and techniques of English language teaching. Written by Jeremy Harmer, a leading expert in ELT, the book covers essential topics such as lesson planning, classroom management, teaching grammar and vocabulary, developing speaking, listening, reading, and writing skills, as well as using technology and adapting materials. With clear explanations, practical examples, and reflective tasks, it provides both theory and hands-on strategies for effective teaching. Widely used in teacher training courses, it serves as an invaluable resource for anyone preparing to teach English in classrooms around the world.