| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1987 | 978-0-938251-00-2 | Arnold E. Grummer | Great Balloon Game Book and More Balloon Activities |
| 1992 | 978-0-938251-01-9 | '' | Tin Can Papermaking: Recycle for Earth and Art |
| 1982 | 978-0-938251-81-1 | Karl Konig | Earth and Man |