| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-913399-04-0 | Norman Sperling · David Morrison | What Your Astronomy Textbook Won't Tell You: Clear, Savvy Insights for Mastery |
| 1991 | 978-0-913399-63-7 | John L Dobson | How and why to make a user-friendly sidewalk telescope |
| 1995 | 978-0-913399-64-4 | John L. Dobson · Norman Sperling | How and Why to Make a User-Friendly Sidewalk Telescope |
| '' | 978-0-913399-65-1 | '' | How and Why to Make a User-Friendly Sidewalk Telescope |