One day The Fat Controller warns the engines about a damaged section of track. But when |Thomas and Paxton misbehave on the bumpy track, Thomas has an accident and loses his puff. Paxton is determined to find it, but he's not really sure what to look for ... This latest Thomas Story Time title publishes alongside four other new titles: Noisy Stafford, Gordon Runs Dry, The Lost Puff and Scruff Gets Clean. A brand new addition to the award-winning series.