How did Batgirl become Batman's crime-fighting partner? Discover the story behind Barbara Gordan's journey from commissioner's daughter to superhero 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 superhero fans.

How did Robin become Batman's crime-fighting partner? Discover the story behind the Boy Wonder's journey from typical teenager to superhero sidekick, including the source of his acrobatic skills. With action-packed illustrations and easy-to-follow text, these early reader books are perfect for young superhero fans.