The pirate cats have finally realized that it is the assistance Professor Ampy von Volt provides Geronimo Stilton that has helped him foil their plans tome after time, so now they know to go after Geronimo's friends - Professor von Volt - and send him 140 million years in the past, in a time when the earth was ruled by dinosaurs! He won't be able to help Geronimo if he's trapped in the cretaceo…
Utah, USA, 1869, work on the transcontinental railroad connecting the east and west coasts keeps suffering mysterious mousehaps. Can it be the dastardly work of catardone and his band of pirate cats? In the unlikely role of deputy sheriff, Geronimo Stilton must once again save the future by protecting the past!
Fontainebleau, France 1624, Louis XIII, King of France, just hasn't been himself lately. Bandits are on the loose outside the palace walls, but all the king wants to do is plan his next dinner party. Geronimo smells a rat! But if he wants to unseat this imposter, he will have to join the ranks of the musketeers and make a most unusual alliance with the pirate cats themselves!
It's the start of the new school year and the students have arrived at Mouseford Academy. Every year at this time, the whales move off the coast of Whale Island. But this time a fierce orca threatens the peace!
It's election time at Mouseford Academy and the candidates from the Lizard and Gecko student clubs have to win several competitions if they want to become class preseident. But during the competitions, something mysterious tries to pollute the island's beaches! The fate of the election and their beautiful island home is at stake.
Florida, USA, 1969, It's a day that will go down in history; the day astronauts landed on the moon! But while Apollo II is preparing to launch from cape canaveral, the pirate cats are sneaking around the mouse island space center. What are they planning? And will Geronimo be able to follow their trail, even if it leads him into outer space?
Geronimo Stilton gets caught up in a rat race when he has to compete against Catardone III of Catatonia, the leader of the Pirate cats! Can Geronimo and his friends Petunia, Benjamin, Trap, and Bruce prevent the pirate cats from changing the outcome of the first modern Olympics, back in 1894? Or will the fiendish Felines finally find their long-sought after victory?
... this time, Tersilla, Catardone III, and Bonzo travel back in time to the year 1292 and Khanbalik, the capital of ancient China! They've cooked up an all-new history-altering scheme that involves tracking down none other than Marco Polo! Will Geronimo, Patty, Benjamin, Pandora, and the ever-hungry Prankster Trap, be able to put the Kibosh on the cats' mysterious plans?
... Catardone III and Bonzo are in Amboige, France, in the year 1517 in the middle of the Renaissance! They're out to steal Leonardo da Vinci's most famous painting, the Mona Lisa. But this time, they have a new plan that may keep Geronimo Stilton and his friends from ever stopping them again!