| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Principal's Purpose, The: A Practical Guide to Moral and Ethical School Leadership | Hardcover | 978-1-138-47264-8 | 2017 |
| Principal's Purpose, The: A Practical Guide to Moral and Ethical School Leadership | Paperback | 978-1-59667-048-8 | 2007 |
| Smart, Fast, Efficient | " | 978-1-59667-016-7 | 2005 |
| Smart, Fast, Efficient: The New Principal's Guide to Success | Hardcover | 978-1-138-47269-3 | 2017 |