books by subject
GMAT Reference & Education

Geometry GMAT Strategy Guide (Manhattan GMAT Strategy Guides): 4

Number Properties GMAT Strategy Guide (Manhattan GMAT Strategy Guides): 5

Reading Comprehension GMAT Strategy Guide (Manhattan GMAT Strategy Guides): 7

Sentence Correction GMAT Strategy Guide (Manhattan GMAT Strategy Guides): 8

WORD PROBLEMS 5E by KAPLAN ( AUTHOR ) Mar-15-2012 Paperback

The GMAT Roadmap: Expert Advice Through Test Day (Manhattan GMAT Strategy Guides)
