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 a legendary valley, and Geronimo isn't even sure it exists. Little does he know that getting there will be an adventure among geysers, volcanoes, and rivers of molten lava.

"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!"--Page 4 of cover.

"It's the night of the big competition, but Geronimo Stiltonut 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!"--Back cover.

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

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure! It's time for the Stone Age Games, the annual cavemouse sports competition! This year, the saber-toothed tigers want to enter the games, too, so they call a truce. But when their flag goes missing, Tiger Khan blames the cavemice! Can Geronimo track it down in time to keep his fur intact? Praise for GERONIMO STILTON CAVEMICE #1: THE STONE OF...

"En el poblado prehist?rico de Petr?polis vive Geronimo Stiltonut, un roedor de pelaje enmara?ado y aire de intelectual. Junto con ?l y sus prehist?ricos amigos, vivir?is desternillantes aventuras en las que intervendr?n dinosaurios perezosos y torpones, ¡pero tambi?n temibles tigres de diente de sable."--Amazon. Stone Age mouse Geronimo Stiltonoot resolves to find a cure to Grandma Ratrock's aches and pains, an adventure that takes him past geysers...

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...