"Ghost Ships" is a german publication for the Cthulhu RPG published by Pegasus Spiele, containing five scenarios and source/background information on the topic "ghost ships".
From the publisher's website (translated):
"Ghost Ships" tells from the legends of the sea and the secrets of the Cthulhu mythos hidden in the dark oceans...
This hardcover contains a background chapter and five scenarios.
Background
Legends of ghost ships and the Cthulhu-Mythos - ideas and informations for scenarios on and at the sea. Source information for all eras.
"Heavy wax"
A death and a strange substance lead the adventurers to the port of Hamburg and on the trail of a secret submarine project. This escalates in unexpected ways and soon they are in the proverbial trap...
An investigative scenario in the 1920s with connections to the "Auf den Inseln"-campain.
"A Ship Will Come"
A long sunken sailing ship lures strange people on the island of Neuwerk, and all of a sudden the adventurers are between all fronts. The wreck in the tideland seems to hide a secret that interests a many folks - and an especially deadly it is too...
A haunting scenario at the Elbe river delta for the 1920s era.
"The Bust of Lady Grey"
With an old sailing ship the adventurers are abound to transport a valuable antiquity from New York to England. But there seems to be a curse upon this item, as on the journey back horrible things happen aboard. A horror stalks the Christabel...
A scenario on the high seas for the 1890s and 1920s.
"Death aboard"
The voyage on the luxury passenger steamer Charon takes a strange course after passing a scary ghost ship. The adventurers have to part illusion from reality to solve the mystery - but do they really want to solve it or isn't the truth just to horrible?
An atmospheric mystery thriller in the 1920s.
"Blazing Fire"
A firebug scares the skippers at the harbor of Duisburg-Ruhrort. The adventurers investigate traces to the past, but for one family all their help is already too late. A horrible demon awakes...
A scenario in the inland sailor's milieu in the 1920s.