Lisa Zimmer Hatch, MA, and Scott A. Hatch, JD, have been helping students excel on standardized tests and navigate the college admissions process since 1987. They have written curricula and taught students internationally through live lectures, online forums, DVDs, and independent study, and have authored numerous test-prep texts. Sandra Luna McCune, PhD, is professor emeritus and a former Regents professor at Stephen F. Austin State University. She’s currently a full-time author and math/statistics consultant.