Batman: Arkham Unhinged #52
Arkham City and the Bookbinder both occupy Batman's mind, competing for his attention. Due to Arkham City, the crime situation in Gotham becomes more and more dire, and the local economy begins to tank. But the riddles presented by the murderous Bookbinder prove so intriguing and challenging, Batman can hardly focus on anything else. Where will Bookbinder strike next?