A thief is stealing priceless diamonds in Gotham City, and the cops are after Catwoman for the crime--but for once she is innocent, and it is up to Batman to find the real culprit.
The creature called Man-Bat escapes Arkham Asylum with a secret weapon and a sonar shriek that makes citizens turn batty, and it is up to Batman to keep Gotham City from becoming a city of bats.
"Scarface and the Ventriloquist are back. When they attach an explosive mini-Scarface to Batman's arm, can Batman escape Scarface's trap without destroying Gotham City?"--Title page verso.
