Jeff Sackmann
About the Author
Jeff Sackmann has been helping students like you reach their GMAT score goals for nearly a decade. Jeff began as a star tutor and classroom teacher for a big test-prep company. Since 2006, he has focused on developing the best materials in the industry, saving you time, money, and stress.
Based in New York City, Jeff has created many resources for GMAT preparation, including the popular Total GMAT Math and Total GMAT Verbal, as well as 1,800 practice GMAT math questions and his Guides to the Official Guide.
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Free Excerpts from GMAT 111


Want to get a better feel for the material in my new book, GMAT 111? Here are three one-chapter excerpts to give you a better sampling. You can view the entire table of contents, as well.

Remember, the "111" in the title refers to the number of chapters, so there are 108 more where this came from!

Click here to buy the book.