Thomas plays a trick on Rheneas by whistling beside him, making Rheneas knock the pilings off of his trucks. The other engines want to join the fun and surprise Rusty, Sir Handel, and Peter Sam. When Mr. Percival finds that none of Thomas' trucks have been loaded, he is furious.
- This book is based on the eleventh series episode, Thomas and the Big Bang.
- The front cover shows a scene from Thomas and the Lighthouse.
- Peter Sam is wearing one of Duncan's face masks in the final picture.