When religious fanatic Steven Mullan is murdered, Lewis investigates celebrity atheist Tom Rattenbury and his family, who had been attacked by Mullan.

The leader of a spiritual retreat is strangled and Jack and his team are baffled by the fact that all their suspects were in a meditation circle at the time…

On holiday in Jerusalem, Poirot hears about an archaeological expedition to Syria led by the eccentric Lord Boynton and his son Leonard, who believe they are on the track of…