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! Praise for GERONIMO STILTON...

Geronimo Stiltonoot wakes up to a terrible morning. Meteors are falling from the sky, and 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 the journey -- can he make it back home safely?

Geronimo Stilton's ancestor, Geronimo Stiltonoot, investigates a witness's claim of a moving mountain of ice.

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 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? Praise for Geronimo Stilton Cavemice #1: The Stone...

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? Praise for GERONIMO STILTON CAVEMICE #1: THE STONE OF FIRE:"[A]n...

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? Praise for GERONIMO STILTON CAVEMICE #1: THE STONE OF FIRE:"[A]n adventure...

When the Cavemice discover a giant oyster in the lagoon near Old Mouse City, they call on Geronimo Stiltonoot to help them fish it out of the water before the saber-toothed tigers find the pearl.

For cavemouse Geronimo Stiltonoot, life is one prehistoric problem after another! Bart Barnacle, the prehistoric pirate who has been visiting the cavemice, is ready to return to his pirate island home. It's so far away that the Stiltonoots offer to accompany him on the long, treacherous journey over the sea. On the way, they encounter megalithic danger and hungry sea monsters! What an adventure! Praise for Geronimo Stilton Cavemice #1: The Stone...

All the mammoths have fled Old Mouse City! It's a total cat-astrophe! Not only because mammoths are valuable allies of the cavemice, but also because without them, the cavemice can't make mammoth milkshakes, their delicious national drink. Geronimo Stiltonoot must embark on a daring journey to find the mammoths...and avoid going extinct before he gets back! Praise for Geronimo Stilton Cavemice #1: The Stone of Fire:"[An adventure Stilton readers...

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! Praise for Geronimo Stilton Cavemice...