REA leads the way in helping students pass their College Board CLEP exams and earn college credit while reducing their tuition costs. With 25+ years of experience in test prep for the College-Level Examination Program (CLEP), REA is your trusted source for the most up-to-date test-aligned content. REA’s expert authors know the CLEP tests inside out. And thanks to our partners at Proctortrack (proctortrack.com/clep), Prep for success on the CLEP Principles of Macroeconomics exam with REA’s personalized three-step plan: (1) focus your study, (2) review with the book, and (3) measure your test-readiness. Our Book + Online prep gives you all the tools you need to make the most of your study time: