When Whiskers the kitten is lost on Sodor, Thomas asks his friends Flynn the Fire Engine and Harold the Helicopter to help find him.

Can they work together as a team and save Whiskers?

The Really Useful Stories series is designed to support toddlers' development and explore key preschool themes including sharing, fear of the dark, making friends and teamwork. Each book includes suggestions for grown-ups about ways of using the story to help their child talk about new experiences.