Mr Mack is out of a job and sets his mind to inventions - whilst unbeknownst to him Mrs Mack decides to walk around the world without telling anyone. But, Mr Mack's inventions get him into trouble when he's arrested for inadvertently holding up a bank. It's up to his children and their amazing dog, Rover, to track down Mrs Mack and save the day. About The Author: Roddy Doyle is the author of five previous novels, including a Booker Prize nominee, The Van, and a Booker Prize winning international bestseller Paddy Clarke Ha Ha Ha. He has also written several screenplays, most recently When Brendan Met Trudy. His first children's book, The Giggler Treatment, will be published in September by Scholastic. He lives in Dublin.