Batgirl #52 (2000)

Written by Dylan Horrocks; art by Rick Leonardi and Jesse Delperdang; cover by James Jean
Poison Ivy has taken over a portion of Gotham City, and Batman's nowhere to be found. Does Batgirl stand a chance against one of the Dark Knight's deadliest adversaries? And even if she can resist the power of Pamela Isley, will she be able to fend off the full-out feral attack of former Batgirl - now Oracle - Barbara Gordon?