| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Zany Zia's Hats to Where: An All Knight Adventure | 978-0-9832514-0-8 (0-9832514-0-1) | 2011 |
| Zany Zia's Hats to Where: Lost in Comanche Country | 978-0-9832514-1-5 (0-9832514-1-X) | 2012 |
E C. · E. Casey · "E. K." · Erin Casey · K. C.