Manhattan GMAT is one of the leaders in GMAT books. This books are perfect for those who ready to take on the challenge of the GMAT. For example, what if your math skills are weak and need more than a quick review? Or, what if English is not your native language, and you are still struggling to master all the nuances of grammar and argument? MGMAT has prepared two books to help with the kind of foundational studies that have to precede high-level GMAT preparation.