Gary R. Gruber
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Gruber's Complete SAT Guide 2010
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published
2007
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15 editions
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The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
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published
2010
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5 editions
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Gruber's Complete GRE Guide 2012
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published
2011
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6 editions
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Gruber's Complete Act Guide 2011
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published
2010
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10 editions
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Gruber's SAT Word Master: The Most Effective Way to Learn the Most Important SAT Vocabulary Words
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published
2009
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4 editions
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Gruber's SAT 2400: Inside Strategies to Outsmart the Toughest Questions and Achieve the Top Score
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published
2009
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3 editions
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Gruber's Complete PSAT/NMSQT Guide 2014
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published
2010
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6 editions
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Gruber's Complete SAT Guide 2019-2020
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Gruber's Sat 2400: Strategies for Top-Scoring Students
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published
2011
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2 editions
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Gruber's Essential Guide to Test Taking: Grades 6-9
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published
2008
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5 editions
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“5. An explorer found a silver coin marked 7 BC. He was told it was a forgery. Why?”
― The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
― The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
“Just remember, a person who can solve problems efficiently either knows a particular strategy for the type of problem or extracts something from the problem that is curious to him or her and that leads to the next step toward a solution.”
― The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
― The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
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