The Cthulhu Encryption

The Shoggoths attack: "They had been so horrible before that I dare not say that they were any MORE horrible when they came again.... They were still unspeakable, still unthinkable--but whether I could speak or think of them or not, they were HERE." Auguste Dupin is one of the few persons who can identify the rare Cthulhu Encryption etched in the flesh of a dying woman. The Comte de Saint-Germain owns a companion cryptogram that he believes is the key to finding a fabulous treasure buried b...