A mysterious villain has kidnapped hundreds of the homeless people of Gotham City and turned them into an army of mutated half-crocodile zombies led by Killer Croc, and when Batman himself is infected he must find a cure before it is too late.
When a charity cruise of Gotham's wealthiest citizens is hijacked by Poison Ivy and Mr. Freeze, Batman must work quickly to save the passengers. Includes a glossary, discussion questions, and writing prompts.