Join Geronimo Stilton and his friends as they zoom through time once again! In The Test of Time, they must journey to ancient Rome, scale the Great Wall of China, and explore the mighty Inca Empire. With Professor Paws von Volt’s time machine at their side, every twist in history becomes an opportunity to learn, adapt, and survive. But when time begins to warp dangerously, it’s a race to restore balance before the past is rewritten forever!