Derrick Vaughn

Hi Every body,

Following are the books that I authored:

GRE Math Prep Course,

GMAT Math Prep Course,

SAT Math Bible,

GMAT Data Sufficiency Prep Course

GMAT Prep Course

ACT Math Prep Course

with NOVA PRESS.

My Email id:

k_vamsidhar@yahoo.com

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Thanks and Regards,

Derrick Vaughn.