| This article is about 'the German book'. You may be looking for 'the British book or the episode'. |
Salty's Secret is a German book, illustrated using photographs from the television series.
Plot
Salty is a new diesel who loves the sea so he is understandably upset when he is sent to work at the quarry.
Characters
Trivia
- This book is based on the sixth season episode of the same name.