Is your ambition is to join iit, then this book is for you. This is a question bank with answer key for IIT-JEE exam. physics, Mathematics are included.It has around 615 pages. Its 2013-2014 published. But previous year questions are given. Its good for practising questions, even for the current year or next year.
Even if you already have other materials, this will be added resource for your practice.