'This is a beautiful and important book, a pleasure to read, in which the history recounted fully illuminates the mathematical ideas, and the ideas themselves are superbly explained: a wonderful accomplishment.' Barry Mazur, Harvard University
Where did maths come from? Who thought up all those symbols, and why? What's the story behind negative numbers? The sketches here answer these questions and many others in an informal, easygoing style that's accessible to teachers, students, and anyone who is curious about the history of mathematical ideas.