Joe Golem Occult Detective, Volume 1: The Rat Catcher and the Sunken Dead

Forty years after disaster left Lower Manhattan submerged in thirty feet of water, the Drowning City has taken a turn for the weird and Joe Golem is there to investigate. A mysterious and terrifying creature has been snatching children and pulling them into the depths of the canals, and the those that drowned in the floods are coming back to the surface--alive.