Ghost pirate treasure / [text by Geronimo Stilton ; illustrations by Ivan Bigarella (pencils and inks) and Giulia Zaffaroni (color) ; translated by Lidia Morson Tramontozzi].
Creepella investigates when strange holes start cropping up on Billy Squeakspeare's property, and she discovers that someone is looking for the buried treasure of the legendary pirate Morgan Blackwhisker.
