| Gary Gruber |
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Gary R. Gruber, Ph.D., is recognized nationally 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.
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| Gary Gruber |
|
Gary R. Gruber, Ph.D., is recognized nationally 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.
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