Art Deco glamour, a Cuban crime queen and a grammar-obsessed killer collide in the final instalment of the #1 best-selling Bookshop Detectives series. Booksellers Garth and Eloise Sherlock host a glamorous festival event, but when a body turns up and clues point to a past serial killer, they must untangle a web of old betrayals and new alliances before the finale turns deadly.

This 320-page trade paperback from Penguin is published on 7 July 2026 and is the third book in the series by real-life booksellers Gareth and Louise Ward.