Dr. Alice Cameron is a famous scientist -- an archeoastronomer -- devoted to studying ancient Mayan culture. The era driving her career has always been the end of the Mayan baktun, so she's on the Yucatan Peninsula in December 2012 with her daughter Nixie...and so are fellow serious scholars, plenty of end-of-the-world crazies, and -- at an international summit -- the President of the United States and other heads of state. When Nixie disappears into...