1 Table of Contents: “...?- Sum and Product -- Two Envelopes -- One Hundred Prisoners and a Light Bulb -- Gossip -- Cluedo...”

2 Table of Contents: “... -- Definitions that Sizzle -- Edutainment -- A Prisoner's Dilemma -- The Intergalactic Congress of Mathematicians...”

3 “... of the German University of Prague and died soon afterward of starvation in a prison cell. Attempts at locating...”