Dekker's Three is a thriller featuring Kevin, a seminary student fascinated with the problem of evil. Though he had a troubled childhood, Kevin seems fairly virtuous himself, or at least harmless. He begins receiving calls from someone called Slater, who demands answers to riddles about Kevin's past that Kevin is at a loss to answer. Dekker's pacing is relentless, and the ongoing consideration of evil is intriguing, though the mystery isn't much.