Detective Comics #620, published by DC Comics in August 1990, features a collection of stories written and illustrated by various artists and writers including Norm Breyfogle, Alan Grant, Adrienne Roy, and Steve Mitchell. The issue showcases characters such as Tim Drake, Batman, Alfred Pennyworth, and James Gordon in a superhero genre setting. The cover art by Norm Breyfogle adds to the appeal of this single issue comic book from the Copper Age, making it a desirable collectible for fans of US Comics and Batman's universe.