Gruber
Gary R. Gruber, PhD, (California) is nationally recognized as the leading expert on the SAT, test-taking methods, and critical thinking skills. His books on test taking and critical thinking skills have sold more than seven million copies. He lives in California.
Gary R. Gruber, PhD, (California) is nationally recognized as the leading expert on the SAT, test-taking methods, and critical thinking skills. His books on test taking and critical thinking skills have sold more than seven million copies. He lives in California. See less
