Twinborn Chronicles: War of 3 Worlds Collection

Humanity needs a savior. But a rivalry between two tinkers threatens to destroy the world they're trying to free. Cadmus Errol is the greatest inventor that Tellurak has ever known. His clockwork graces the spires of cities across the world. Yet in another, darker world, he lives the life of a slave. There, humanity is held underfoot, bound in service to the victors of a war fought untold generati...