Since it's listed on various web sites, I guess I can say that I have a Batman novel coming out in June from the swell folks at Titan Books! It's called The Riddler's Gambit, and it takes place between Arkham City and the forthcoming Arkham Knight video game. Here's a not-final cover:
It's been almost ten years since I wrote Batman: Inferno (eek), and it was good to get back in touch with Bruce...and cook up some fiendish Riddler plots. Also, don't forget: Once you read The Riddler's Gambit, make sure you check out Marv Wolfman's novelization of Arkham Knight next.