it contains a combo of 3 books... crash course mathematic vol 1 and 2 + question bank. total of 439 pages in total altogether. looks very new and only used one time... just written imp equations somewhere between.. nothing else... no scratches.. no pages torn or destroyed... it is very useful for both medical , IIT and JEE students who are studying or preparing for exams... please lemme know if you want this combo...I bought this for a high price from them... but I'll give you for a lesser price than that...