Dragon Tears By Dean Koontz

Harry Lyon was a rational man, a cop who refused to let his job harden his soul. Then one fateful day, he was forced to shoot a man--and a homeless stranger with bloodshot eyes uttered the haunting words that challenged Harry Lyon's sanity:

"Ticktock, ticktock. You'll be dead in sixteen hours...Dead by dawn...Dead by dawn...Dead by dawn..."
 
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