John Hargrave's Mischief Maker's Manual Prank Demo August 23, 2009

SIR JOHN HARGRAVE, Mischief Maker Extraordinaire, Professor of Pranking at the elite M3 Institute, and author of The Mischief Maker's Manual, will demonstrate second- and first-class pranks from his mischievous manifesto. Come on in and get your pants pranked off! The trouble begins at 1 pm at Curious George Books and Toys, in the heart of Harvard Square.