In the lagoon near old Mouse City, cavemice has discovered a giant oyster.
It holds a pearl of megalithic proportions! The mice of the lagoon call on Geronimo Stiltonoot to help fish the oyster out of the water.
Can he figure out how to get the pearl before the saber-toothed tigers catch the wind of it?
Age - 9+
Author - Geronimo Stilton
Format - Paperback
Pages - 111
Dimension - 19.3 x 13.4 cm
