Showing Wolf to the Slaughter by Ruth Rendell

The third book to feature the classic crime-solving detective, Chief Inspector Wexford.

Anita Margolis has vanished. Dark and exquisite, Anita's character is as mysterious as her disappearance.

There was no body, no crime - nothing more concrete than an anonymous letter and the intriguing name of Smith. According to headquarters, it wasn't to be considered a murder enquiry at all.

With the letter providing them with only one questionable lead to follow, Wexford and his sidekick Inspector Burden are compelled to make enquiries. They soon discover Anita is wealthy, flighty, and thoroughly immoral. The straight-laced Burden has a very clear idea of what happened to her. But Wexford has his own suspicions...