| title | ISBN-13 | year of publication |
|---|---|---|
| Danger Signals for Teachers | 978-1-145-04865-2 | 2010 |
| Danger Signals for Teachers | 978-1-145-97483-8 | 2010 |
| Horace Mann, the Educator | 978-1-141-48336-5 | 2010 |
| Methods and Principles in Bible Study and Sunday School Teaching | 978-1-146-40008-4 | 2010 |