Preface -- I CastaSpell -- Martin Gardner and His Influence on Magic -- /Christopher Morgan -- Martin Gardner-Encore! -- /Prof. M. O'Snart -- Low-Down Triple Dealing -- /Colm Mulcahy -- Products of Universal Cycles -- /Persi Diaconis and Ron Graham -- II In Hindsight -- Tangram: The World's First Puzzle Craze -- /Jerry Slocum -- De Viribus Quantitatis by Luca Pacioli: The First Recreational Mathematics Book -- /David Singmaster -- Magic and Card Tricks in Luca Paciolo's De Viribus Quantitatis -- /Vanni Bossi -- III Move It -- Railway Mazes -- /Roger Penrose -- Mechanical Mazes -- /M. Oskar van Deventer -- Insanity Puzzles: Instant and On-the-Spot -- /Rik van Grol -- The Adventures of Ant Alice -- /Peter Winkler -- IV Fitting In -- Simplicity -- /Stewart Coffin -- Extreme Puzzles -- /Frans de Vreugd -- Satterfield's Tomb -- /David A. Klarner and Wade Satterfield, edited by Thane E. Plambeck -- Computer-Assisted Seashell Mosaics -- /Ken Knowlton -- V Speak to Me -- Memories and Inconsistencies -- /Raymond Smullyan -- A Bouquet for Gardner -- /Jeremiah Farrell and Thomas Rodgers -- Net Words: A Fascinating New Pencil-Paper Game -- /Mamikon Mnatsakanian, Gwen Roberts, and Martin Gardner -- The Wizard Is Always In -- /James Randi -- VI Making Arrangements -- Symmetric Graphs in Mathematical Puzzles -- /Ed Pegg Jr -- Martin Gardner and Ticktacktoe -- /Solomon W. Golomb -- Scheduling Tennis Doubles Competitions -- /Dick Hess -- When Multiplication Mixes Up Digits -- /David Wolfe -- Magic, Antimagic, and Talisman Squares -- /Rodolfo Kurchan -- Rectangle Arithmetic: Another Slant on Fractions -- /Bill Gosper -- About the Authors.