Lidia Morson Tramontozzi

Geronimo and his friends participate in a treasure hunt set up by his rival and are determined to overcome all of its challenging obstacles, including tricky riddles and smelly dinosaurs.

When you're with Geronimo Stilton, it's always a fabumouse adventure!

New Mouse City was in a panic. A strange epidemic had broken out — mice everywhere were covered in weird blue spots! Mouse Island's most famouse doctor immediately set to work with his team to try to find the cure... but someone was trying to stop him. Could I figure out who before I ended up blue myself?

Asked by a Bollywood star for help protecting a valuable ruby, Geronimo Stilton and Hercule Poirat are inadvertently cast in the actress's film in spite of limited acting skills and are horrified when an anonymous thief makes off with the ruby.

The Thea Sisters are off to save the rainforest in Malaysia! "The Thea Sisters are heading to Malaysia. Their freinds, Latifah and Ramlee are writing a travel guide and have asked the sisters to help them research. They are stopping at all the best sites, eating all the best foods, and seeing the most amazing animals, especially in the rainforest. While exploring, they learn about a plan to cut down the trees in the forest, and Ramlee and their guide...

When an evil professor begins threatening New Mouse City with terrible inventions, Geronimo Stilton is enlisted by local authorities to embark on a top-secret mission to outer space to thwart a nefarious plot.

"Holey cheese -- my sister, Thea, was in danger! She had traveled to Easter Island in search of a secret treasure, and now she needed my help. There was no time to lose! My friends and I hopped on a plane to begin our search, aided by a map and a mysterious riddle. What an exciting adventure!"--Back cover.

While at the beach, Geronimo Stiltonix stumbles upon a mysterious treasure map. The spacemice follow it and end up on Aquarix, a planet that's entirely underwater. During their exploration, they face fur-eating seaweed, ferocious piranha aliens, and...pirate spacecats! Can the spacemice keep the spacecats from stealing the treasure?

"Geronimo Stiltonoot and The Stone Gazette are in the running for the Stone Age Ratitzer: the award for the best prehistoric journalism! But their main competition is Sally Rockmousen, the ruthless host of Gossip Radio -- and she'll stop at nothing to win. Can Geronimo sniff out a scoop in time to defeat her?"--Back cover.

A curious case for Geronimo! Rancid ricotta! Something strange was happening in New Mouse City. Rodents were suddenly getting sick with stomachaches, hiccups and weird green warts and it seemed to be related to cheese! We mice eat a lot of cheese, so this was serious. My detective friend Hercule Poirat asked me to help him investigate. Could we solve this mystery and save our city?

Geronimo hunts the thief who stole the precious Black Papyrus from New Mouse City's Egyptian Mouseum.