This fully updated second edition provides a comprehensive and readable introduction to teaching young learners. It gives an accessible overview of the issues, including child development, L1 and L2 learning, L2 skills, vocabulary and grammar, learning to learn, materials design, and policy issues. Integrating theory and practice in an accessible way, it draws on up-to-date research and classroom practice that is internationally relevant. "This book provides a well-balanced mix of theory and practice about the key aspects of language teaching allowing teachers to make principled decisions in their language classrooms. A book that every teacher of young language learners should have to hand."