Call of the Siren

Concept: “The crew of the Unjust must retrieve the Heart of the Sea, a relic said to be in the clutches of shipwreck-luring Sirens.”
Content: A perilous nautical adventure with stats for characters, monsters, and mechanics for maritime hazards
Writing: Provides the necessary information and atmosphere but avoids being prolix
Art/design: Primarily textual but well organized, and includes some illustrations with an OSR feel
Usability: Mostly presented in bullet points, which makes skimming and quick reference easier; download includes graphic and text-only versions