D.K ยท D. Kennedy
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fun with the Family Colorado, 5th | 978-0-7627-3485-6 (0-7627-3485-X) | 2005 |
| Fun with the Family Colorado, 6th: Hundreds of Ideas for Day Trips with the Kids | 978-0-7627-4393-3 (0-7627-4393-X) | 2007 |
| Fun with the Family Colorado: Hundreds Of Ideas For Day Trips With The Kids, Seventh Edition | 978-0-7627-5710-7 (0-7627-5710-8) | 2010 |