Schoolboy time-traveller Jack Christie is thrown back to 1940s Nazi-occupied France. With the Battle of Britain and the German Vengeance programme underway, the Second World War is at a crucial point. Jack and his best friend Angus take a more senior role in VIGIL's attempts to prevent intervention in history, attempting to stop the Revisionists from their highly volatile nuclear plan to stop the war. With spitfire dogfights, jeep races and thrilling chases, the boys have their most hair-raising adventure yet, including involvement in an assassination attempt on Hitler himself. Just as all seems lost, Jack's father returns and a nuclear disaster is averted in the nick of time.

"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 muchanticipated scene that decides the fate of World War I, the end of the book has plenty of action." - SCHOOL LUBRARY JOURNALJack 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?

The exciting second installment in the Jack Christie adventures.Jack and Angus's time travels are heating up again, and this time the boys must save Queen Elizabeth I from an early death. Meeting the playwright Marlowe and a young actor named William Shakespeare along the way, Jack and Angus will have to use all their bravery and skill to thwart their archenemy, Pendleshape, and his misguided notions of changing history.

When Jack Christie’s father disappears, the time-travelling teenager and his best friend Angus track him to a strange icebound future where China has evolved into a global superpower. Time has splintered and Jack and Angus must discover the point of divergence – the moment that history altered. Travelling back to 1860, they find themselves in the midst of the bloody Taiping Rebellion: a world of Chinese warlords, Empires and brave rebels. But Jack and Angus possess an object that all the warring factions want and it’s not long before the boys find themselves – and the future of the world – in grave danger.