Book excerpt: What's the difference between sex and gender? What does it mean to be defined by your gender? Are there only two genders? This informative book helps kids to explore these questions and more, explaining that there are differences of opinion and that answers are not always straightforward. A range of views are on hand from people who have thoughtfully considered the concept of gender in their own lives. Aimed at young people aged 10 and upwards, the book encourages readers to think for themselves about the issues involved. Part of the groundbreaking and important 'And Other Big Questions' series, which offers balanced and considered views on the big issues we face in the world we live in today. Other titles in the series include: What is Humanism? How do you live without a god? What is Feminism? Why do we need It? Who are Refugees and Migrants? What makes people leave their homes? What is Consent? Why is it important?