This NEW Geronimo Stilton series spin-off is set in the Stone Age! Who is Geronimo Stiltonoot? He is a cavemouse—Geronimo Stilton's ancient ancestor. He runs the stone newspaper in the prehistoric village of Old Mouse City. From dealing with dinosaurs to dodging meteorites, his life in the Stone Age is full of adventure! THE STONE OF FIRE Old Mouse City is in an uproar. The most precious artifact in the mouseum—the Stone of Fire—has been stolen! Geronimo Stiltonoot and his cavemouse friend Hercule Poirat are on the case. It's up to them to retrieve the stone from the ferocious Tiger Khan and his band of fearsome felines!

Geronimo Stilton meets the Stone Age in this NEW spin-off series! Geronimo Stilton's ancient ancestor Geronimo Stiltonoot stars in the Cavemice series! Geronimo Stiltonoot wakes up to a terrible morning. Meteors are falling from the sky, and it seems like everyone in Old Mouse City has an awful stomachache! Geronimo must travel to the Cave of Memories to find the ancient shaman cure for his fellow cavemice. But dangers lurk on his journey—can he make it back home safely?

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! Geronimo Stiltonoot and his family are off to find a cure for Grandma Ratrock's aches and pains. She's heard that a remedy hides in Cheesy-La, a legendary valley that Geronimo isn't even sure exists. Little does he know that getting there will be an adventure among geysers, volcanoes, and rivers of molten lava!

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! A visiting rodent has arrived in Old Mouse City with astounding news. On his recent journey to a cold, distant land, he spotted a mountain . . . moving! Holey cheese! Geronimo Stiltonoot is determined to travel to the ice and snow himself to find out what lies behind this mystery. It's a fur-raising expedition!

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's the season for the annual cavemouse sports competition! This year, Tiger Khan and his saber-toothed henchmen want to enter the games. They call a truce with the cavemice during the tournament . . . but when their flag goes missing, Tiger Khan is furious. Can Geronimo Stiltonoot track it down in time to keep his fur intact?

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's the night of the big Cavemouse Idol competition, but Geronimo Stiltonoot isn't there. He has a cold, and goes to bed early. But when it's discovered that the contest's valuable grand prize has been stolen, Geronimo is the main suspect! He must prove his innocence . . . or he'll end up in enormouse trouble!

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! Geronimo Stiltonoot and his family save a young dinosaur from the river! The dinosaur and Benjamin quickly become good friends. But the dino turns out to have a tremendous talent . . . for mischief! Can Geronimo get him back to his herd before he causes a megalithic disaster?

Geronimo Stilton's ancient ancestor is back in another prehistoric adventure! A mysterious rodent has been shipwrecked on Mouse Island. He's a prehistoric pirate, and he's searching for a lost Stone Age treasure! Geronimo Stiltonoot and his family volunteer to help him on his dangerous hunt. Petrified cheese! Can they find the treasure without going extinct on the way?

For cavemouse Geronimo Stiltonoot, life is one prehistoric problem after another! Geronimo Stiltonoot and The Stone Gazette are in the running for the Stone Age 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?

It's the start of an exciting cavemice a race to Boulder Bay and back! It's a dangerous route, but it will supply the village cheese maker with rare hot lava peppers, and there's a big cash prize. Trap teams up with Geronimo—who has a lazy, slow, city autosaurus (the cavemice mode of transportation). Can they reach the finish line without going extinct on the way?

For cavemouse Geronimo Stiltonoot, life is one prehistoric problem after another! Geronimo Stiltonoot and friends have been invited to participate in a Stone Age treasure hunt! How fun! The one issue is that it has been set up by Gossip Radio host Sally Rockmousen, Geronimo's rival. Is it some sort of trick? The hunt is full of difficult riddles and very stinky dinosaurs... but nothing will stop Geronimo's team!

For cavemouse Geronimo Stiltonoot, life is one prehistoric problem after another! Geronimo's cousin Trap Stiltonoot is stung by a dangerous cavefly, which causes him to fall into an instant, deep sleep! To cure him, Geronimo and Thea must seek out the petals of the pink stinkrose, a rare and smelly flower. But it only grows on a very high peak! Can they make it there without going extinct on the way?