Fairies, dragons, wizards, and more await Geronimo on every magical Kingdom of Fantasy adventure! The Rebel Empress has regained her crown. But not everything has gone according to plan: The Army of the Invisible is still a serious threat. Geronimo and his team set out to save the Kingdom of Fantasy, again! The Geronimo Stilton Kingdom of Fantasy series is filled with mystical and curiosity-filled adventures perfect to 8 to 12 year old kids.