At head of title: Batman. "Based on the screenplay Monster mayhem written by Heath Corson ; Batman created by Bob Kane with Bill Finger."
Summary:
"It{u2019}s Halloween night in Gotham City, and the streets are full of monsters{u2014}real ones! Batman is battling a crime spree being carried out by the spookiest villains in town{u2014}Scarecrow, Clayface, Solomon Grundy, and Silver Banshee{u2014}who are all secretly working for the Joker. The evil mastermind wants to unleash a computer virus that will make all technology cackle and obey his every command! The Joker thinks he{u2019}s in for a Halloween treat, but Batman has a trick up his sleeve: his pals Green Arrow, Cyborg, Nightwing, and Red Robin are joining him to fight back! Can they save Gotham City before it{u2019}s too late? Find out in this novelization that includes eight pages of full-color stills from the Monster Mayhem Batman animated film!"--Amazon.com.
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