In March 1305, a group of Australians and Americans arrive in medieval France. To be precise, they arrive in the Languedoc, near a village called Saint-Guilhem-le-Desert. The scientists want to save the world. Dr Artemisia Wormwood wants to save her sister. If she joins the time-travellers as their historian, her pay would cover treatment that might give her sister life. Saint-Guilhem-le-Desert is a desert of souls. Village, monastery,...