The Indoor Pirates originally published: London: Dutton, 1995; The Indoor Pirates on Treasure Island originally published: London: Puffin, 1998.
Tete-beche format.
Captain Blackpatch and his crew are as fierce as can be, but they have one weakness, they hate the sea. So when Captain inherits 25 Dolphin St., they decide to move to dry land, but soon discover that life ashore as a pirate isn't easy either.