Shredderman, the fith-grade cyber superhero, is back in this second book in the series. This time, a vandal spray paints graffiti at the school and around town. Nolan (aka Shredderman) is determined to find out who is responsible, but it requires some real sleuthing before he has the evidence to post on Shredderman.com. Who is the vandal that is being called the Tagger? Can Nolan help the police find the Tagger without revealing his secret identity? Read this book to find out!