Batman fan Ernest Fann takes on the secret persona Gerbilwing and sets up a crime fighting unit with his friends and dog, but things become a little too real when Ernest and his friends visit a bank in the middle of a robbery.

"How did an angry, damaged young man grow into the most accomplished detective and crime-fighter the world has ever known? How did the Dark Knight...begin? Bruce Wayne's journey toward becoming the Dark Knight has begun, and he has many hard lessons to learn before his education is complete. His adventure begins in the City of Lights, Paris, where he'll train with a world-renowned cat burglar and come into contact with a horrifying serial killer stalking...

Readers can help the great detective Batman and his sidekicks solve riddles, analyze evidence, look for clues, and spot solutions to mysteries before he logs them into his casebook.