Jonah and Katherine journey to 1918 with the Romanov children in the sixth book of the New York Times bestselling The Missing series. It' s a paradox: When Jonah and Katherine find themselves on a mission to return Alexei and Anastasia Romanov to history and then save them from the Russian Revolution, they are at a loss. Because in their own time, the bones of Alexei and Anastasia have been positively identified through DNA testing. What hope do they have of saving Alexis and Anastasia' s lives when the twenty-first century has proof of their deaths?