Download or read book Batman: Arkham Unhinged #9 written by Derek Fridolfs and published by DC. This book was released on with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: You've been cordially invited to the insane parade! That is, if you'd like to venture inside the walls of Arkham City with the likes of Joker and the Penguin...who just happen to be carrying on a riotous years-long feud.