Gotham Underground (2007) #3

Written by Frank Tieri Art by J. Calafiore & Jack Purcell Cover by Calafiore This issue has it all: Scarecrow confronts Penguin! The Riddler reveals Nightwing's secret! A surprise attack on the Iceberg Lounge! Matches Malone vs. Mr. Zsasz - to the death! All this plus guest appearances by Robin, Oracle and the Ventriloquist!