London: Orion, (2001) dj. Hardcover first edition - Canadian-born author's fifth mystery, featuring Laura Principal who left an academic life at Cambridge University for a career as an investigator. Ian Rankin called Prinicpal "one of contemporary crime fiction's most intriguing and satisfying sleuths." Like her protaganist, Spring lived and worked as an academic in Cambridge, so she knows the area well. In this novel she is asked to investigate a teenager, who just might be a boy who went missing 12 years ago. 302 pp. ISBN: 0-752824805.