Twilight Eyes by Dean Koontz unabridged audiobook on 14 compact discs read by Malcolm Hillgartner. 

They're out there. Waiting. Watching. Unseen by normal eyes, but all too visible to Slim MacKenzie, a young man blessed--or cursed--by Twilight Eyes... They're out there Lurking in the darkest shadows of an eerie, moonlit carnival. Feeding their twisted needs with human suffering. And fiendishly plotting the downfall of the human race... They're out there But don't scream. They'll hear you. 

Slim MacKenzie is both hunter and hunted. Sought by police for murder, Slim also stalks the diabolical Others, genetically engineered "demons" from a prior Earth civilization. A masterpiece of terror from the bestselling author of "Midnight and Lightning.." Unabridged. 14 CDs.