Cover Reveal for Sophie Hannah's Hercule Poirot Mystery The Monogram Murders

The cover of the new Hercule Poirot mystery by Sophie Hannah has been revealed by William Morrow (right).

Since the publication of her first novel in 1920, more than two billion copies of Agatha Christie's books have been sold around the globe. Now, for the first time ever, the guardians of her legacy have approved a brand-new novel featuring Dame Agatha's most beloved creation, Hercule Poirot.

In this thrilling tale, Poirot plunges into a mystery set in 1920s London — a diabolically clever puzzle that will test his brilliant skills and baffle and delight longtime Christie fans and new generations of readers discovering him for the first time. Authorized by Christie's family, and featuring the most iconic detective of all time, The Monogram Murders is scheduled to be published on September 9th, 2014 and is available to pre-order.