She is a former secondary-school teacher of mathematics and has taught in diverse, London inner-city comprehensive schools. [Page xiii]Her PhD dissertation won the national award for educational research in the UK, and she is the author of numerous articles and four books. Dr Boaler specializes in the impact of different mathematics teaching approaches upon student understanding, achievement and equity. Her book, Experiencing School Mathematics, won the Outstanding Book of the Year award for education in Britain. Her latest book, with Cathy Humphreys, Connecting Mathematical Ideas, is a collection of video cases and accompanying lesson notes and analyses.