Dr. Gary R. Gruber is nationally recognized as the leading expert on the SAT, test-taking methods, and critical-thinking skills. His methods have been used by PBS, Sylvan Learning Centers, and schools throughout the country. His books have sold more than 7 million copies. He lives in Mill Valley, CA.

• Gruber's Essential Guide to Test Taking: Grades 6-9
• Gruber’s Complete SAT Guide 2011
• Gruber's Complete ACT Guide 2010
• Gruber’s SAT Word Master
• Gruber's Essential Guide to Test Taking: Grades 3-5
• Gruber’s SAT 2400
• Gruber’s Complete SAT Writing Workbook
• Gruber’s Complete SAT Reading Workbook
• Gruber’s Complete SAT Math Workbook
• Gruber’s Complete PSAT/NMSQT Guide 2011
• World’s 200 Hardest Brain Teasers
• Complete Gruber Test Prep Package
• Complete Gruber Test Prep Package + MyMaxScore.com Enrollment