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

Thanks to one of the Lumiere brothers' first screenings, Paris in 1896 is the site of a historic event: the birth of motion pictures. The Pirate Cats go back in time to steal the brilliant invention, the cinematograph, in order to go down in history as the inventors of the movies! Can Geronimo and his friends thwart the Cats' evil plans and keep Catardone from becoming a star?

Watch your whiskers, Stilton: A mysterious one-eyed rat is trying to steal The Rodent's Gazette from under my nose! My manager came up with a plan to stop him. He arranged for me to appear on a TV quiz show. But if I lose I have to give up my tail! Shipwreck on the Pirate Islands: My sister, Thea, comes up with a new way to torment me. She's combined my two least favorite things: travel and ghosts! She heard rumors of a haunted pirate treasure buried...

"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?"--Page 4 of cover.

"A new ride is opening at Luna Park! Every mouse in New Mouse City has come for the grand opening. But the rides keep breaking down, and everything is going wrong. Can Geronimo and his friends figure out who is sabotaging the opening of the Train of Terror?"--Publisher.

"Everymouse on Mouse Island was squeaking about The Super Cup! My two favorite soccer teams, the Squeakers and the Turbo Cheese, had made it to the finals. But something suspicious was happening on the field. The Mighty Mice and the Sewer Rats seemed to be scoring without even trying! Could I get to the bottom of it before my two favorite teams are cheated out of their trophies?"--Back cover.

"The phantom of the subway: When my sister Thea told me a ghost was haunting New Mouse City's subway tunnels, I had to get the scoop! So I set off with Thea, Trap, and my assistant editor Pinky Pick. But we were all in for the fright of our wee mouse lives...because the ghost turned out to be a CAT! The temple of the ruby of fire: It was my most thrilling adventure yet! My old friend Professor von Volt had discovered the location of the famous Ruby...

It's Halloween, you 'fraidy mouse: Already afraid of Halloween, Geronimo is not happy when his nephew Benjamin drags him to a graveyard and he meets the spooky mouse Creepella von Cacklefur. Merry Christmas, Geronimo!: Geronimo is looking forward to Christmas until various disasters threaten to ruin the holiday.

Geronimo Stilton is entered in the Mouse Island Marathon by his friend Champ Strongpaws who then forces him to train for it.

Geronimo Stilton, which was originally written in Italian, is a tale about a talking mouse that lives in New Mouse City on Mouse Island, where he works as a journalist for The Rodent's Gazette. Included here are adventure books fifteen and sixteen: A Cheese-Colored Camper and The Mona Mousa Code.