| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-0-930851-05-7 | Edward, R Christophersen · David Graves | Little People: Guidelines for Common Sense Child Rearing |
| '' | 978-0-930851-06-4 | Edward, R Christophersen | Beyond Discipline: Parenting That Lasts a Lifetime |