vilsonbr Posted February 21, 2006 Share Posted February 21, 2006 Hi Erin and testtakers friend, I bought the OG 10th last year and I ve heard a lot about the OG 11th. Should I forget the OG 10th and buy the OG 11th? I will take the GMAT test next April. Thanks Quote Link to comment Share on other sites More sharing options...
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