Batman And Robin Vol. 5: The Big Burn (The New 52)

Batman and Robin Volume 5 collects the DC Comics — The New 52
origin of Two-Face and Carrie Kelley! The origin of Two-Face begins as Batman
finds himself in the crossfire of a vengeful war between Two-Face and Erin
McKillen! Both are hell bent on killing each other and anyone else who dares to
step between them. And what are the mysterious connections between Harvey Dent's
life and the origin of Carrie Kelley!
Collects issues #23.1: Batman & Two-Face and Batman &
Two-Face #24-28.