Zahler, Kathy

Kathy A. Zahler is a widely published textbook writer and the author of "McGraw-Hill's Conquering GRE Verbal" and "McGraw-Hill's MAT: Miller Analogies Test". She is also the author of the bestselling "Test Your Cultural Literacy".

Christopher Thomas is a professor of math at Massachusetts College of Liberal Arts. He is the author of "Calculus Success in 20 Minutes a Day" and "Trigonometry Success in 20 Minutes a Day". Christopher has been teaching math for liberal arts course for the past three years.