The Deep Gate (Arkham Horror #14)

What secrets have been drowned in devil reef?

Silas Marsh has always felt called to the sea. As a young lad, he left his family in fear-shadowed Innsmouth and made a name for himself sailing the seven seas. But after the death of his parents, the sea’s call has only grown stronger. Silas has dreams—nightmares—of pointed teeth grinning, webbed hands reaching, and eyes glowing in the darkness of the ocean deeps. No one in his family is able to offer an explanation for his dreams, or at least, no one is willing.

So when desperate librarian Abigail Foreman comes to Silas with questions of her own, he cannot turn her away. Her ancient and mysterious tome, the Prophesiae Profana, points to a stellar event foretelling the end of the world, and painted in its margins are the very same creatures that haunt Silas’s nightmares…