The Official Study Guide for All SAT Subject Tests, 2nd EdApr 6 2011by The College Board
Kaplan OAT 2015 Strategies, Practice, and Review with 2 Practice Tests: Book + OnlineOct 7 2014by Kaplan
Barron's SAT Subject Test Math Level 2, 11th EditionSep 1 2014by Richard Ku M.A.
5 Steps to a 5 AP Physics 1 Algebra-based, 2015 EditionJul 15 2014by Greg Jacobs and Joshua Schulman
Kaplan GMAT 800: Advanced Prep for Advanced StudentsApr 1 2014by Kaplan
Barron's AP Microeconomics/Macroeconomics, 4th EditionFeb 1 2012by Frank Musgrave Ph.D. and Elia Kacapyr Ph.D.