A very good approach to the subject. Concepts are explained very well in detail with ample examples. Makes the subject easier. Not recommended for crash course. Takes time and effort to go through the book.
Should be giving 5 stars. Love this book but, omitting a star because, there're printing mistakes here and there. Must read a chapter from beggining if you want to avoid mistakes otherwise you may be confused.
Everyone must have a copy of this if you r preparing for competitive exams . All topics are very well explained with lots of example . but in my book data sufficiency chapter is missing . That's alright compared to the quality of topics explained in the book .