Written by A.J. Lieberman
Art by Al Barrionuevo and Bit
Cover by Cliff Chiang.

Description
Poison Ivy is desperate to cure herself of her abilities before anyone else gets killed. Batman is eager to help, but Hush wants her killer powers to remain. And as the power struggle rages, more bodies are turning up.

http://rapidshare.de/files/2959090/Batman.Gotham.Knights.Vol.1.No.64.Jun.2005_linkaos.net.rar.html
Password: linkaos.net

Note that this is the latest DC comic. The story is to be continued.