My Best Mathematical and Logic Puzzles

Overaperiodof25yearsasauthoroftheMathematicalGamescolumnforScientificAmerican,MartinGardnerdevotedacolumneverysixmonthsorsotoshortmathproblemsorpuzzles.HewasespeciallycarefultopresentnewandunfamiliarpuzzlesthathadnotbeenincludedinsuchclassiccollectionsasthosebySamLoydandHenryDudeney.Later,thesepuzzleswerepublishedinbookcollections,incorporatingreaderfeedbackonalternatesolutionsorinterestinggeneralizations.Thepresentvolumecontainsarichselectionof70ofthebestofthesebrainteasers,insomecasesincludingreferencestonewdevelopmentsrelatedtothepuzzle.Nowenthusiastscanchallengetheirsolvingskillsandrattletheiregoswithsuchstimulatingmind-bendersasTheReturningExplorer,TheMutilatedChessboard,ScrambledBoxTops,TheForkintheRoad,Bronxvs.Brooklyn,TouchingCigarettes,and64otherproblemsinvolvinglogicandbasicmath.Solutionsareincluded.