Novelette. Illustrated by John Schoenherr. Appeared in the collected works [i]Murder and Magic[/i], publshed in 1979; and [i]Lord Darcy[/i], published in 2002. Appeared in the anthologies [i]Analog 4[/i], edited by John W. Campbell, published in 1966; [i]The Permanent Implosion[/i], edited by John W. Campbell, published in 1970; [i]Analog: The Best of Science Fiction[/i], published in 1985; and [i]The Dragon Done It[/i], edited by Eric Flint and Mike Resnick, published in 2008.