This had everything; mystery, violence, strong women, adventure peppered with a side of history. The book starts off with a letter Nora‘s father, an archaeologist, sent before disappearing on his quest for the fabled Quivira- the city of gold. The letter has instructions on how to reach there so Nora assembles a team to attempt it. But there are dark forces at play, with plans to foil Nora from reaching the ancient city to protect its secrets.