Exhibit No. Thirteen

A girl is found raped and murdered in a wood in Kent - the crime, it appears, of a "case book" sex maniac.

Police investigations are widespread and routine since there is no clue which leads to a particular individual. Detective Sergeant Rusk is sent to interview the few men in the area who have a past record of sexual offences; among them he finds Kremayne, who had been at school with him. In those days Kremayne had been a failure, Rusk a successful scholar and athlete. Now Kremayne is a rich farmer, happily married, and Rusk a mere Detective Sergeant ...

This is the beginning of a story of extraordinary ingenuity and subtlety, and any further description of it would give hints and spoil the reader's pleasure.

As in 'Evidence of the Accused' the principal, very dramatic scenes take place in court. 'Exhibit No. Thirteen' is a tour-de-force of legal ingenuity so startling that it must remind readers of an earlier and famous crime story -'Witness for the Prosecution'.