The Paris Bookshop Mysteries-The Marais Assassin

Parisian bookseller, Victor Legris, finds a new case to investigate very close to home, when his business partner's apartment is burgled. Curiously, the only item stolen is a decorative goblet of little value. But on learning that two people with connections to the goblet have been murdered, Victor becomes convinced of its secret significance. How quickly can he bring the killing spree to an end, in a city beset by terrorist activity?