This book provides a detailed review of terminations of ice ages, including a very attractive theory based on dust deposits on ice sheets. While other books on ice ages are mostly short, popular, and non-technical, the only book that attempts to deal with the broad issues of what we know about past ice ages and why they occur is the book by Muller and MacDonald (M&M;), published by Praxis. However, despite its many good features, this book suffers from an inordinate emphasis on spectral analysis, a lack of coverage of new data, and a very confusing sequence of chapters. As a result, the data and theory