Notes

109 pages : colour illustrations, map.

Based on an original idea by Elisabetta Dami.

Translation of: Mordosauri in mare... tesoro da salvare!

Summary: 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?
lower age: 0