Older Official Guide Books

This topic has expert replies
Source: — GMAT Strategy |

Master | Next Rank: 500 Posts
Posts: 182
Joined: Sat Apr 11, 2009 4:55 am
Thanked: 11 times

by Giorgio » Mon Nov 30, 2009 9:50 pm
Well I have gone trough OG 10 and now I am doing OG 12 , There is a huge overlap , but of course there are some new questions in either one. I would better recommend buying OG 12 and verbal and quant supplements.