party tricks Learn how to balance 6 nails on top of a wooden dowel to wow your friends Carla Sinclair
args How the mystery man from a forgotten Alternate Reality Game was found 15 years later Rob Beschizza
brain teasers Excellent cheap puzzle book: The Moscow Puzzles: 359 Mathematical Recreations Mark Frauenfelder
puzzles "Blocks" is a fun web-based puzzle game that gets increasingly more challenging Mark Frauenfelder