Caleb Carr's The Alienist quickly became a national best-seller, drawing critical acclaim for its masterful blending of historical detail, mesmerizing atmosphere, and thrilling suspense. Also a New York Times best-seller, The Angel of Darkness further seals Carr's reputation as a master craftsman. Set in the New York of 1897, it is the story of Dr. Laszlo Kreizler, noted psychological consultant on criminal cases, and his pursuit of Libby Hatch, a villain of almost superhuman cunning.