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Books by Summers, George J.

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4 books found
Logical Deduction Puzzles
Logical Deduction Puzzles
By: Summers, George J.
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Mind Puzzlers
Mind Puzzlers
By: Summers, George J.
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The Great Book of Mind Teasers and Puzzles
The Great Book of Mind Teasers and Puzzles
By: Summers, George J.
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Mind Teasers: Logic Puzzles and Games of Deduction
Mind Teasers: Logic Puzzles and Games of Deduction
By: Summers, George J.
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