Fiendishly Frustrating Brain-Twisting Puzzles
 
Fiendishly Frustrating Brain-Twisting Puzzles
by Ivan Moscovich
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The Big Book of Brain Games: 1000 Play Thinks of Art, Mathematics & Science
 
The Big Book of Brain Games: 1000 Play Thinks of Art, Mathematics & Science
by Ivan Moscovich
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Network Games
 
Network Games
by David Brion, Ivan Moscovich
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Knotty Number Problems & Other Puzzles
 
Knotty Number Problems & Other Puzzles
by Ivan Moscovich
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Peerless Probability Problems & Other Puzzles
 
Peerless Probability Problems & Other Puzzles
by Ivan Moscovich
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Brain-flexing Balance Problems & Other Puzzles
 
Brain-flexing Balance Problems & Other Puzzles
by Ivan Moscovich
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Loopy Logic Problems & Other Puzzles
 
Loopy Logic Problems & Other Puzzles
by Ivan Moscovich
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Perplexing Pattern Problems & Other Puzzles
 
Perplexing Pattern Problems & Other Puzzles
by Ivan Moscovich
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Ivan Moscovich's Mastermind Collection: Leonardo's Mirror & Other Puzzles
 
Ivan Moscovich's Mastermind Collection: Leonardo's Mirror & Other Puzzles
by Ivan Moscovich
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Tough Topology Problems & Other Puzzles
 
Tough Topology Problems & Other Puzzles
by Ivan Moscovich
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Sensational Shape Problems & Other Puzzles
 
Sensational Shape Problems & Other Puzzles
by Ivan Moscovich
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Ivan Moscovich's Mastermind Collection: The Monty Hall Problem & Other Puzzles
 
Ivan Moscovich's Mastermind Collection: The Monty Hall Problem & Other Puzzles
by Ivan Moscovich
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Ivan Moscovich's Mastermind Collection: The Shoelace Problem & Other Puzzles
 
Ivan Moscovich's Mastermind Collection: The Shoelace Problem & Other Puzzles
by Ivan Moscovich
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The Hinged Square & Other Puzzles
 
The Hinged Square & Other Puzzles
by Ivan Moscovich
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Genius Gymnasium: On Your Mark, Get Set--work Out Your Mind & Strengthen Your Brain
 
Genius Gymnasium: On Your Mark, Get Set--work Out Your Mind & Strengthen Your Brain
by Ivan Moscovich
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