Book excerpt: An insider's guide for students and teachers on how to debate, ranging from how to deliver speeches confidently in a large room to how to respond to arguments effectively. The final section of the book will argue why this activity is important for every child to take part - for social mobility, democratic and economic reasons. Throughout the book, Lewis (a former world university debating champion and a world championship winning coach with England) will draw from examples from his 10 years of experience coaching debates in over 11 countries