The author wrote this book to help children deal with bullying. Nerdy Gertudy and his friends face challenging situations being bullied by Booger Face. One day, Nerdy Gertudy starts receiving strange wrinkled envelopes without an address or name on them. So nobody knows where they are coming from or who's sending them. Will Nerdy Gertudy and his friends help with solving the mystery in time before it's too late? Read this book if you want to know more about what happened.