As Halloween approaches Ocracoke Island, Billy, Daniel, Stefanie, and Mark are helped by the ghosts of Blackbeard and the eccentric Mrs. McNemmish when they are held captive by the local scoundrel Zeek, who is searching for a hidden treasure. This rollicking tale magically combines an unruly group of youngsters, Blackbeard's ghost, secret tunnels, skeletons, hidden treasure, a very mysterious inheritance, This book is a history lesson of the greatest kind--with the past and the present wonderfully and entertainingly intertwined. Annotation. This rollicking tale magically combines an unruly group of youngsters, Blackbeard's ghost, secret tunnels, skeletons, hidden treasure, a very mysterious inheritance, This book is a history lesson of the greatest kind--with the past and the present wonderfully and entertainingly intertwined.