In this stunning conclusion to a unique alt-history action-adventure duology, dinosaurs from a forbidden world have been turned into unstoppable weapons by one of the most ferocious military leaders of all time. In the wake of Napoléon's crushing victory at Waterloo, the vicious French general Marc Thibault and his brigade of giant carnivorous battlesaurs have struck terror across Europe. England stands alone, but an invasion is looming. Its only hope is a secret attack led by a magician's son named Willem deep inside enemy territory, to the very heart of Napoléon's terrifying new army. Deception and betrayal threaten the mission from its outset, but the courage and perseverance of Willem the "saur killer" and his friends lead to a clash of titanic proportions.