A Harper Jennings mystery - When Harper Jennings' staunchest rival at Cornell's archaeology department turns up on her doorstep, babbling about seeing a Pre-Columbian shape-shifter, Harper doesn't know what to think. But she can spot a great opportunity - Zina won a coveted post cataloguing a priceless collection of Pre-Columbian artifacts, and if Harper humours Zina, she'll be able to see them for herself. But then Zina is killed...