How did Batgirl become Batman's crime-fighting partner? Discover the story behind Barbara Gordan's journey from commissioner's daughter to super hero sidekick, including the source of her high-tech gadgetry. With action-packed illustrations and easy-to-follow text, these early reader books are perfect for young super hero fans.

When Dr. Harleen Quinzel, a psychologist at Arkham Asylum, falls in love with love The Joker, she transforms herself into Harley Quinn, the Clown Princess of Crime, friend of Poison Ivy, enemy of Batman, and a super villain in her own right.

A teleporter accident has merged Batgirl and Supergirl into one body, so as they try to undo this mishap, they also need to stop Two-Face's crime spree wreaking havoc on Gotham City.

When monster plants grow out of control, Batman and Batgirl race to rescue Poison Ivy from a Blossom Battle!

"Its Halloween night in Gotham City, but Batman isnt getting any treats. A crime spree has Batman on the trail of the citys spookiest villains: Scarecrow, Clayface, Silver Banshee, and Solomon Grundy. They are all working for the Joker, who wants to unleash a computer virus and "digital laughter" that will give him control over all of Gotham Citys technology! Joining forces with the Green Arrow, Cyborg, Nightwing, and Red Robin, can Batman save Gotham...

The Penguin is robbing yachts in his penguin-shaped submarine. It is up to the Dark Knight to sink the Penguin.

Superhero Black Canary sneaks into the hideout of three villains and battles booby traps and evil machines to save the world.