The Legend of Spud Murphy

Will and his brother Marty are doomed to spend their holidays in the library. Doesn't their mum know that the library is no fun? Worse, it is the home of the legendary librarian Mrs. Murphy. If you put a foot wrong, she will use her dreaded gas-powered spud gun and you don't want that--just ask Ugly Frank how he got his nickname! But in Will and Marty, has Spud Murphy met her match...?