The book has detailed information and descriptions on various types of both realistic and fantastical watery environments, including underwater, the open ocean, ships, coral reefs, grottos, swamps and such.
Finally, a few pre-made adventures are included at the end, set in aquatic/coastal environments, for players to test the new content on.
Stormwrack was written by Richard Baker, Joseph D. Carriker Jr., and Jennifer Clarke Wilkes, and published in 2005.
Cover art was by Jeremy Jarvis, with interior art by Chris Appel, Drew Baker, Wayne England, David Griffith, Fred Hooper, Lee Moyer, Jim Nelson, Michael Phillippi, Eric Polak, Joel Thomas, Franz Vohwinkel, and Sam Wood.
Stephen Schubert explains what weaponry pirates might outfit their ships with: "Piracy on the high seas is more a way of life than a choice of explosives.