"Using unprecedented, dramatically compelling sleuthing techniques, legendary statistician and baseball writer Bill James applies his analytical acumen to crack an unsolved century-old mystery surrounding one of the deadliest serial killers in American history. Between 1898 and 1912, families across the country were bludgeoned in their sleep with the blunt side of an axe. Jewelry and valuables were left in plain sight, bodies were piled together, faces covered with cloth. Some of these cases, like the infa