The discovery of an old map by his sister Thea leads Geronimo and his family to search for buried treasure on a faraway island

It all starts with a cup of milk coffee... Milk coffee? But what does milky coffee have to do with this whole story? Well, that's how it all started: my crazy passion for Provoleta, the expedition to Mariposa Island in search of the Eighth Wonder... Author's biography Born in Ratonia (Rat Island) , Geronimo Stilton has a degree in Mouse Literature and Mouse Studies. Comparative archeology. For twenty years he directed El Eco del Roedor, the most widely circulated newspaper in Raton.

Scary costumes? Spooky parties? Nobody hates Halloween more than Geronimo. But when he is given twenty-four hours to write a spooktacular Halloween book, Geronimo must journey to Creepella von Cacklefur's chilling house to research the worst holiday of the year. Will this ‘fraidy mouse survive Halloween and will he get his book written in time?

Geronimo, excited about Christmas, helped his nephew trim the tree, but Geronimo tripped over his tail and ended up in the hospital. Then the mouse hole caught on fire

Geronimo investigates the subway of New Mouse City to see if the tunnels are haunted by a ghost, but the ghost turns out to be a cat