Claimed

Résumé : On a voyage at sea, a merchant vessel chances upon a recently formed volcanic island. Unable to stay for long, mesmerized by the geometric rock formations reaching their pinnacle at its smoldering center, they take a memento of their discovery: a small, rectangular block of a metallic green color, perfect for carving into a sea chest. Eventually, the artifact makes its way into the collection of Jesse J. Robinson, a famous antiquarian from Tremont, a town located along the Delaware River. When Robinson and his niece Leilah fall victim to powerful hallucinations, Doctor John Vanaman is brought in to help. Soon, he launches an investigation into the nature of the box, tracking down its original owner and the dealer who sold it to Robinson. To his horror, they seem to have succumbed to the same madness plaguing the antiquarian's home