one of best book available on functional analysis."topology and modern analysis" by gf simmons is also good book,but it is not as deep as this one.i am very pleased with the delievery of flipkart.they delieverd it very next day i ordered.

Very good

Nice product....

Although I get different book than that I has ordered but after replacement of the book. the book which I get was also not in good condition some of it page are likely to come out.