| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Ant Homes Under the Ground, Teacher's Guide | 978-0-924886-36-2 | 1999 | Jean C. Echols |
| Only One Ocean: Marine Science Activities for Grades 5-8 | 978-0-924886-22-5 | 2000 | Catherine Halversen · Craig Strang · Catherine Halverson |
| Terrarium Habitats | 978-0-924886-51-5 | 2000 | Jacqueline Barber |
| Treasure Boxes | 978-0-912511-36-8 | 1999 | Jaine Kopp |
K. H. · Ken Hickson · Ken Hixon · Ken Hoshino · Kim Hackney · Kim Haechun · Kim Hyesoon · Kuno Hagen