From publisher blurb:
Corsairs of Cthulhu, Fighting Mythos in the Golden Age of Piracy, is a 7th edition Call of Cthulhu© adventure and setting guide for the Golden Age of Piracy, 1650 to 1730. This guide contains everything you need to run your favorite role-playing game in one of the greatest settings in our history. It also contains over a dozen scenarios that can be run as a full length campaign or as individual one-shot games. In addition, there are several other plot hooks that can be fleshed out quickly for more adventures. What lies in the depths? What horrors await in the uncharted waters and strange islands not yet explored by man? Are you ready to face the greatest terror to ever roam the earth? Join the crew, hoist the Jolly Roger, prime your pistol and sharpen your cutlass. It’ll take more than luck to save you today.