Superheroes - fictional characters fighting evil with superhuman powers, gadgets, and way-out weapons - have fascinated us ever since Superman first donned his cape and tights back in 1938. "The Little Book of Super Heroes" charts the growth of the genre, profiling the most notable superheroes and giving insight into their creation. It's topped off by quotes, trivia and a guide to collectables from Marvel Comics to Corgi Batmobiles.