The Viewpoints Book: A Practical Guide to Viewpoints and Composition, written by Anne Bogart and Tina Landau, explores the Viewpoints technique, a method of actor training and ensemble building. The book provides a detailed explanation of the nine Viewpoints, which include time, space, shape, and gesture, among others. It also offers practical exercises and examples to help actors and directors apply the Viewpoints in their work. The Viewpoints Book is a valuable resource for anyone interested in physical theatre and ensemble-based performance.