I bought this book a few weeks ago. I am finding this book very user friendly. Nothing extra is embedded in this book just the things necessary for CBSE boards. The thing that this book lack is that it doesn't have topic wise questions and a seperate section for CBSE previous year questions so we could have much more knowledge about the pattern of paper. People who aim for Delhi University or aiming for getting 90% above in boards should go for this book. If you want to clear IIT then go fo...