Simon Nicholson was an episode writer for Thomas and Friends. He has also written for "Bob the Builder", "Rubbadubbers", "Tracy Beaker", "The Hoobs" and "Postman Pat". He also wrote a book for children, "The Oldmoor Orphans".
- A Bad Day for Harold the Helicopter (with David Mitton)
- Dunkin Duncan (story by; written by Jenny McDade)