Tanks, spies and assassinations - history just got interesting! When teenager Jack Christie stumbles upon a time machine and a secret time-travelling society his life changes forever. Jack is catapulted back to the start of the First World War, where the assassination of Archduke Franz Ferdinand is about to throw the world into chaos. Should he intervene? Will he survive? The future of mankind is in Jack's hands. The first dangerous mission in the Jack Christie Adventures sets the pace at full throttle and the stakes as high as they go.