Eyes of Death - Mortlake Series, #5

Ancient mythical evil haunts the modern world.Marcus Mortlake has dedicated his life to battling evil. And in doing so, the paranormal investigator has ignored his professional responsibilities for far too long. When his college brings him to task, the weary professor finds himself facing an enemy he had no chance at defeating. The college bursar. Before he can face the music, both the troublesome administrator and one of Mortlake's disgruntled students disappear, leaving only a pile of crumbling dust behind.
Mortlake suspects supernatural forces are to blame. But even he is shocked to discover that the culprit may be a mythological terror, whose very name is synonymous with fear.Mortlake struggles to track down the malevolent entity while dodging inquisitive college officials and law enforcement out for his hide. And upon realization that someone close to him has become possessed by the ancient spirit, he must call upon every ounce of his supernatural knowledge to bring an end to their reign of terror, before more blood is spilled.
But a shadowy figure is manipulating events behind the scenes. And they're determined to make sure their existence stays hidden..Until it's time to reveal their cause.