| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-0-9842998-0-5 | William Trombello · John Schuller | The Willow Falls Christmas Train |
| '' | 978-0-9842998-2-9 | William Trombello | The Electro-Motive Type Turbocharger |
| 2010 | 978-0-9842998-3-6 | '' | Trains and Real Locomotives |
| '' | 978-0-9842998-5-0 | '' | How a Real Locomotive Works |