Batman: Gotham Knights #18

Aquaman guest-stars! As the Dark Knight realizes that he's become more of a loner since the loss of Gordon, Alfred's leave of absence and Oracle's anger with him, Batman finds odd comfort in the company of the King of the Seas.

Written By:
Devin Grayson, Dave Gibbons, Mick McMahon
Pencils:
Roger Robinson, Mick McMahon
Inks:
John Floyd, Mick McMahon
Cover By:
Brian Bolland