Barry Trotter and the Unauthorized Parody Paperback Main Details Title Barry Trotter and the Unauthorized Parody Authors and Contributors      By (author) Michael E. Gerber By (author) Rodger Roundy By (author) Michael Gerber By (author) Michael Gerber Physical Properties Format:Paperback ISBN/Barcode 9780733615474 Audience General Publishing Details Publisher Hachette Australia Imprint Hodder Headline Australia Publication Date 15 April 2002 Publication Country Australia