"Within the first suspenseful pages, readers will find an engaging historical/science fiction tale that has intrigue, danger, and a little romance. . . . From an explosive escape out of captivity to a much anticipated scene that decides the fate of World War I, the end of the book has plenty of action." —School Library Journal

Jack Christie and his best friend, Angus, find themselves at the center of a momentous event that will shape history for decades to come. Their dilemma: Should they intervene? Their problem: Can they survive? Join Jack on a dangerous chase from the dockyards of England to the rain-sodden trenches of the First World War. Will he escape the evil authorities who believe in the mysterious VIGIL Imperative?