The OG prep books from GMAC themselves is going to be your best bang per buck.
GMAT Official Guide 2020 Bundle: 3 Books + Online Question Bank https://www.amazon.com/dp/1119576156/ref=cm_sw_r_cp_tai_h9MmDbQKGPAG1
The OG prep books from GMAC themselves is going to be your best bang per buck.
GMAT Official Guide 2020 Bundle: 3 Books + Online Question Bank https://www.amazon.com/dp/1119576156/ref=cm_sw_r_cp_tai_h9MmDbQKGPAG1