I fantasmi del capitano Fishleg

A sinister individual, believed to have died during a shipwreck, returns, with his chilling grin, to threaten the life of Charles Humboldt, alias Captain Fishleg. Where and how did the commander of the "Golden Baby" lose his right leg, replacing it with a whalebone? Who sculpted his artificial limb? Why has this story never been told to Zagor and Chico in so many years? The Spirit with the Hatchet is called to clarify, once and for all, these mysterious and disturbing questions...