Beautifuly organized compendium of mathematical tools which are daily bread and butter of every theoretical physicst. Excellent for first year graduate students wanting to pursue career in any branch of theoretical physics.<br>The main advantages which distinguishes this classic from others is clear and conscise pedagogical style and excellent selection of topics which are being discussed fully and without sacrifising mathematical rigour.<br>However for advanced students this text may sometimes bore with overdetailed explanations and  minor details.<br>Summing up everything, if you wanna learn mathphys and want to start you are in the right place.