- "I rock and roll!"
Mountain Rescue is a rhyming magazine story.
Duncan rock 'n' rolls whilst travelling on a mountain line. Suddenly, he bounces off the line and is dangerously close to the edge of the mountain. Harold rescues him.
- Harold is illustrated with eyebrows in this story.
- Duncan's trucks are scaled-down standard gauge trucks.
- In one picture, Duncan's rear buffer is Grayish-Black
- Duncan is missing his whistle.