Geronimo sets off for Ratoff in spooky Transratania a garlic-fuelled town full of mystery. Even the inhabitants of Ratoff Castle are strange. Maybe its the way they sleep during the day or the blood-red drink theyre always sipping on but theres something not quite right about them ...Who are these mice? Will Geronimo survive the night?Geronimo Stilton: respected journalist family mouse ... well-seasoned traveller? No thank you! But when Geronimos sister Thea finds a mysterious map of a secret treasure on a faraway island Geronimo just cant say no. The series is perfect for 5 to 8 year olds both avid and reluctant readers due to its expressive typeset fun illustrations and humorous stories.