| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Gourmet Popcorn Business | 978-1-4611-8994-7 | 2011 | Steven Primm |
| Mobile Hot Dog Cart Company | 978-1-4421-6346-1 | 2009 | " |
| Mobile Pet Grooming Company | 978-1-4414-4660-2 | 2009 | " |
| Segway Tour Guide Company | 978-1-4414-7137-6 | 2009 | " |
| Vending Machine Company | 978-1-4486-9498-3 | 2009 | " |