When Batman sees the Bat-Signal up in the sky, it means danger is near! He'll need his Batsuit and Bat-Pod to help keep Gotham City safe from its newest enemy -- the Joker!

 

This book is part of a book series called Batman-The Dark Knight .

There are 32 pages in this book. This book was published 2008 by HarperCollins Publishers .

The Unknown Adventurer is still believed to be at large in the wild.