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!
Age - 7 - 10
Grade - 2 - 5
Category - Early Chapter
Author - Geronimo Stilton
Publisher - Scholastic
Format - Paperback
Pages - 128
Dimensions - 19.2 x 0. 7 x 13.3 cm
