It is a must for all aspirants of ICS and IAS mains. Section A covers many important topics for IAS mains like Party System, Pressure Groups, Globalisation, North South dialogue, Global commons etc. Section B is a highly useful study material for studying India's foreign policy which covers topics like NAM, Kasmir Question, India-US, India- Russia, India-Africa and so on.
This is the best book in the market for international relations. It is very nicely written . It was recommended to me by previous IAS selections. The part on relations of india with rest of the world is highly useful study material. I bought this book from a delhi bookstore in Rajendra Nagar and not on flipkart.