Andy Helfer

DC's Greatest Detective Stories Ever Told

Unknown

with Mindy Newell

with Mike Carlin, Steve Vance and Josef Rubinstein

with Bill Sienkiewicz

Two-Face: A Celebration of 75 Years

2017

with Bruce Timm, Michael Lark, Dave Cockrum, Irv Novick, Chris Sprouse, Jim Aparo, Damion Scott, Lew Sayre Schwartz, Andy Clarke, Howard Sherman, Dick Sprang and Pat Broderick

Batman Arkham: Poison Ivy

2016

with Guillem March, John Francis Moore, J.T. Krul and Derek Fridolfs

Disney's Darkwing Duck: The Darkest Night

1991

with Don Williams

Enemy Ace: War Idyll

1990

with George Pratt

Batman: The Caped Crusader, Vol. 3: The Penguin Affair

2019

with Alan Grant, Marv Wolfman and Peter Milligan

Batman Black and White, Vol. 1

1998

with Bruce Timm, Matt Wagner, Ted McKeever, Kent Williams, Joe Kubert, Jan Strnad and Brian Bolland

Batman: Featuring Two Face and the Riddler

1995

with Bob Kane

Deadman, Book Five

1986

with Gerry Conway and Carla Conway