Battling bad guys. High-tech hideouts. The gratitude of the masses. Who at some point in their life hasn't dreamed of being a superhero? Impossible, right? Or is it?

Possessing no supernatural powers, Batman is the most realistic of all the superheroes. His feats are achieved through rigorous training and mental discipline, and with the aid of fantastic gadgets. Drawing on his training as a neuroscientist, kinesiologist, and martial artist, E. Paul Zehr explores the question: Could a mortal ever become Batman?

Zehr discusses the physical training necessary to maintain...