THIS BOOK CONTAINS ALL BASIC OF PHYSICS.IT HELPS YOU IN MANY DIFFERENT WAYS .IT CONTAINS VERY BASIC INFORMATION WITH VERY GOOD EXAMPLE. I THINK EVERY ONE WHO WANT TO UNDERSTAND PHYSICS DEEPLY SHOULD BUY THIS BOOK.I BOUGHT THIS BOOK .ITS AMAZING. ALSO THIS BOOK IS HIGHLY RECOMMENDED BY IITANS AND TEACHERS. I use this book for since 1 year and its just awesome, many students has clear iit exam with the help of this book I think if you want to score good in iit and your bord exam you should buy this book. this book is the key of success.