"Books to Read" by pferrelhttp://www.trailfire.com/pferrel/trails/60pferrel/trails60The Equation That Couldn't Be Solvedhttp://www.trailfire.com/pferrel/marks/3397Books to ReadpferrelThu, 15 Jun 2006 09:45:14 -0700trailfire:markId:3397The Wisdom of Crowdshttp://www.trailfire.com/pferrel/marks/3511Books to ReadpferrelTue, 21 Feb 2006 19:57:11 -0800trailfire:markId:3511