The Scorpion's Bite Lily Sampson Mystery Series, Book 3.

It is 1943 and the world is at war. Archaeologist Lily Sampson has been sent to Trans-Jordan by the OSS, along with Gideon Weil, the famous director of the American School of Archeology in Jerusalem. As part of their survey, they roam the beautiful, silent desert where the indelible presence of Lawrence of Arabia still lingers, and where the ancient Nabateans once ruled an empire from their capital in Petra. But soon Lily and Gideon are stranded...