Help, I'm in hot lava!

Description:

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.

subjects: Pueblos prehistóricos,  Juvenile fiction,  Prehistoric peoples,  Grandmothers,  Fiction,  Ficción juvenil,  Lava,  Mice,  Spanish language materials,  Ratones,  Adventure fiction,  Adventure and adventurers,  Children's fiction,  Adventure and adventurers, fiction,  Mice, fiction,  Prehistoric peoples, fiction