GMAT official guide 12th edition?

I wasnt aware that the new OG edition 13 was out so had started studying from the 12th edition along with manhattan gmat 4th edition (5th edition is out now). Is it ok to study from those two or should i shift now? I’ve done most of quant al…

I wasnt aware that the new OG edition 13 was out so had started studying from the 12th edition along with manhattan gmat 4th edition (5th edition is out now).


Is it ok to study from those two or should i shift now? I've done most of quant already
Yes, I'll definitely do the IR section from the new editio

Thanks