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Norman D. Willis
3 książek
Książki autora Norman D. Willis
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Brainstrains Power Puzzles
Des MacHale, Paul Sloane, Norman D. Willis, Keith Kay, Peter De Schepper, Frank Coussement
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False Logic/Great Critical Thinking Puzzles
Myron Miller, Sterling Publishing Co., Norman D. Willis
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The World's Biggest Book of Brainteasers & Logic Puzzles
Martin Gardner, Des MacHale, Paul Sloane, Michael Anthony DiSpezio, Tim Sole, Rod Marshall, Norman D. Willis, Kurt Smith