The Thing On the Roof

Let me begin by saying that I was surprized when Tussmann called on me. We had never been close friends; the man's mercenary instincts repelled me; and since our bitter controversy of three years before, when he attempted to discredit my Evidences of Nahua Culture in Yucatan, which was the result of years of careful research, our relations had been anything but cordial. However, I received him and found his manner hasty and abrupt, but rather abstracted, as if his dislike for me had been thrust aside in some driving passion that had hold of him.
His errand was quickly stated. He wished my aid in obtaining a volume in the first edition of Von Junzt's Nameless Cults--the edition known as the Black Book, not from its color, but because of its dark contents. He might almost as well have asked me for the original Greek translation of the Necronomicon. Though since my return from Yucatan I had devoted practically all my time to my avocation of book collecting, I had not stumbled onto any hint that the book in the Dusseldorf edition was still in existence.

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In Cthulhu Mythos Stories Series by ADB Publishing
 
(The Original) The Black Stone
(The Original) The Fire of Asshurbanipal
(The Original) The Thing On the Roof (This Book)