Learning Curve Pub.

year of pub­li­ca­ti­onISBNauthor(s)title
1998978-1-890647-54-4Lin OliverThe President Express
  ''978-1-890647-55-1Lin OliverThe Torpedo Run
1999978-1-890647-56-8Lin, Illustrated By Jeffrey Lind OliverThe Mighty Mogul
  ''978-1-890647-57-5Lin OliverThe Mighty Mogul (Great Railway Adventures. Series 2, Adventure 1)