Josh Walker is an ordinary teenage nerd. But when he puts his costume on, he is transformed into an ordinary teenage nerd with a costume on.

After years of watching superhero movies, reading comics and fantasizing about being a crime-fighter, he decides to become one.

First of all he needs a superhero name, a superhero costume and some superpowers. Then he needs to find some crime to fight. His diary chronicles his valiant attempts to make the world a better place and, armed with only plastic handcuffs and stink bombs, and stuck with his dependable but incompetent sidekick, Henry, Josh becomes embroiled in a dark world of crime, armed gangs and people illegally parking in disabled spaces.

Accompanied by hilarious illustrations throughout, The Adventures of a Wimpy Superhero tells the story of the everyday dilemmas of superheroes in the real world through the hilarious diary of a fifteen-year-old boy. It asks the big questions, such as: Why would someone want to fight crime? Wouldn't they get in the way of police (and school) work? Why would a tight-fitting Lycra costume help?

Will Josh rise to the challenge and become a genuine hero? Or will he go home and hide under his bed?