The trail of a missing child from a wealthy family leads Jonah Hex and Amadeus Arkham into the watery catacombs of Gotham City's still-under-construction sewer system—but will they survive the many dangers that lurk in those twisty depths?

Written By:
Jimmy Palmiotti, Justin Gray
Phil Winslade, Moritat
Phil Winslade, Moritat
Cover By:
Jose Ladronn, Moritat