Ron Woldoff is the founder of National Test Prep, where he has helped students succeed on the GMAT®, GRE®, SAT®, ACT®, and PSAT® exams. Ron is also the author of GRE® For Dummies. Jane Burstein has decades of experience as an English teacher, adjunct professor, AP reader, and tutor for the SAT®, ACT®, GRE®, and GMAT® exams. She is the author or coauthor of numerous English and test prep books.