Batman: Preludes to the Wedding by Tim Seeley is a collection of stories where side characters in the Batman universe react to his upcoming wedding to Catwoman.
Mr. King lets The Joker and The Riddler to shine in this issue. I have never found The Riddler to be much of a challenge in previous incarnations, but this Riddler is a true equal to The Joker, just as manipulating, devious and evil.