"The Hundredfold Problem is a science fiction novel written by John Grant. The original version, published by Virgin Books in 1994, was based on the long-running British science fiction comic strip Judge Dredd. A new edition was published in 2003 by BeWrite Books, in which all references to Judge Dredd had been removed, and the lead character was a police officer called Dave Knuckle."@en . . "ISBN 0-352-32942-4 (1994 edition)" . . "344"^^ . . . "272"^^ . "The Hundredfold Problem"@en . . . . "ISBN 1-904224-49-0 (2003 edition)" .