"The basic idea of this book is to present the essentials of relativity from the Minkowskian point of view, that is, in terms of the geometry of space-time.". An exposition of the special theory of relativity based on such an idea is sorely needed and the author's "Ambition . . . to make space-time a real workshop for physicists, and not a museum visited occasionally with a feeling of awe" is laudable.