J. H. ยท J. Hereford
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Challenge the Pact - South Carolina PACT for Fourth Grade Mathematics | 978-0-89892-211-0 (0-89892-211-9) | 2000 |
| The Competitive Edge: Passing The North Carolina Third Grade EOG Test in Mathematics | 978-0-89892-186-1 (0-89892-186-4) | 1999 |