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 |
2011 | 978-0-913399-12-5 | Norman Sperling | Don't Try This in High School |
1991 | 978-0-913399-63-7 | John L. Dobson · Norman Sperling | How and Why to Make a User-Friendly Sidewalk Telescope |
1995 | 978-0-913399-64-4 | '' | 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 |