'Percival and Richards give a beautifully clear introduction to dynamics, discussing why scientists should be interested in the stability properties of their equations, and explaining the terminology.' Nature 'The authors of this splendid textbook have made a commendable effort to introduce the geometric and qualitative aspects of dynamics at an undergraduate level ... an exciting, well-organised book with many illuminating worked examples. A course based on this book would be a pleasure to teach. It should be greatly appreciated by physicists and engineers, and might help bring applied mathematics forward into the nineteenth century.' The Times Higher Education Supplement