| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Essential Truths for Principals | Hardcover | 978-0-367-13799-1 | 2019 | Todd Whitaker |
| Essential Truths for Principals | Paperback | 978-0-367-13801-1 | 2019 | |
| Essential Truths for Teachers | Hardcover | 978-0-367-07678-8 | 2019 | Todd Whitaker |
| Essential Truths for Teachers | Paperback | 978-0-367-07679-5 | 2019 | |