Tom King and Mitch Gerads, the Eisner Award-winning duo reunite to dive deep into the mind of Batman's most intellectual foe...the Riddler. The Riddler has killed a man in broad daylight for seemingly no reason, but...there's always a reason. The Riddler is always playing a game; there are always rules. Batman will reach his wit's end trying to figure out the Riddler's true motivation in this epic psychological thriller.