WEST HOLLYWOOD, CA - JUNE 29: Musicians Corey Taylor (L) and M. Shawn Crahan aka "Clown" of Slipknot attend the book signing of M. Shawn Crahan's book "Apocalyptic Nightmare Journey" at Book Soup on June 29, 2012 in West Hollywood, California. (Photo by Chelsea Lauren/WireImage)
WEST HOLLYWOOD, CA - JUNE 29: Musician M. Shawn Crahan aka "Clown" of Slipknot attends the book signing of "Apocalyptic Nightmare Journey" at Book Soup on June 29, 2012 in West Hollywood, California. (Photo by Chelsea Lauren/WireImage)
WEST HOLLYWOOD, CA - JUNE 29: Musician Corey Taylor attends M. Shawn Crahan aka "Clown" of Slipknot's book signing of "Apocalyptic Nightmare Journey" at Book Soup on June 29, 2012 in West Hollywood, California. (Photo by Chelsea Lauren/WireImage)