Necronomicon - C. J. Henderson

Carl Kolchak, whether he wants the mantle or not, is the world's premier supernatural investigator. Vampires, werewolves, witches, demons, he has seen it all. Or ... has he? Can even all the horrors he has stumbled across prepare him for the monstrous denizens of the Lovecraft Mythos, let alone its most damned volume, the Necronomicon ?