chillgmat Junior | Next Rank: 30 Posts View User Profile Posts: 13 Joined: Sat Apr 11, 2009 9:23 pm GMAT Challenges - Jeff Sackmann by chillgmat » Tue Sep 15, 2009 9:59 pm Hello People: I am planning to buy Math Challenges by GMAT Hacks. Is there anyone who can share the price. I have heard great things about them but they are a bit on the pricey side. Thanks!!!!! Top Quote