Cult of Osiris (Wilde/Chase 5)

In Andy McDermott's brilliant fifth novel, Nina Wilde and Eddie Chase are on the hunt for the lost pyramid of Osiris... Discredited, jobless and broke, archaeologist Nina Wilde and ex-SAS soldier Eddie Chase have problems of their own - until Macy's plea for help sends them on a deadly quest across the globe as they try to reach the mysterious pyramid before Khalid Osir, the charismatic leader of the Osirian Temple. But is the cult's motive purely greed... or something more sinister?