I like this book very much, for many reasons. It is comprehensive, and the style is crisp and concise--no flowery expressions, but enough words always to make the meaning crystal clear. I also like the level of mathematics used in the text. Here, the author has taken a rather unusual approach: Instead of avoiding the essential mathematics, or selecting only key expressions and leaving it to the reader to fill in the gaps, he provides quite complete mathematical treatments. We are taken through all the steps, at just the right level of detail. . .The book will provide the necessary detail and basic understanding for the newcomer and serve as an excellent reference book for those already in the field. --Physics Today I like this book very much, for many reasons. It is comprehensive, and the style is crisp and concise--no flowery expressions, but enough words always to make the meaning crystal clear. I also like the level of mathematics used in the text. Here, the author has taken a rather unusual approach: Instead of avoiding the essential mathematics, or selecting only key expressions and leaving it to the reader to fill in the gaps, he provides quite complete mathematical treatments. We are taken through all the steps, at just the right level of detail. . .The book will provide the necessary detail and basic understanding for the newcomer and serve as an excellent reference book for those already in the field. --Physics Today