Harriet Walsh is desperate for work, but when an intergalactic crime-fighting organisation offers her a job she's convinced it's a mistake. She dislikes puzzles, has never read a detective mystery, and hates wearing uniforms. So why did the Peace Force pick her?Who cares? Harriet needs the money, and she's happy to go along with the training for as long as they keep paying her. She'd better dig out some of those detective mysteries though, because she's about to embark on her first real mission ...