"This much is history: On Christmas Eve, 1800, an "infernal machine" exploded in one of the busiest streets in Paris, France, destroying buildings and killing innocent civilians. It wasn't the first attempt on the life of Napoleon Bonaparte, First Consulof the newly minted Republic of France. This much is exclusive to our story: Upon the failure of the Christmas Eve plot, the conspiracy takes a new and more diabolical turn. Posterity knows what became...