I have bought this book as I am UPSC aspirant.this book is the book which should be read once in every year.Because I have not found any crap information on any page of this book.i mean every page of this gives you very important general knowledge.there is nothing in it you can avoid to read.everything given is important.you won’t regret after buying this.i gives you whole world knowledge in very lucid and attractive manner.you will love this book while reading.its like worth reading for every penny you spend on this book.