- If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY.pdf 2016-05-31 09:52:46
- Observing Variable Stars.pdf 2016-03-01 11:25:46
- Telescopes and Techniques 2003.pdf 2016-03-01 11:24:36
- The Practical Astronomer’s Deep-sky Companion.pdf 2016-03-01 11:23:16
- Using the Meade ETX.pdf 2016-03-01 11:21:54
- More Small Astronomical Observatories.pdf 2016-03-01 11:19:13
- Practical Amateur Spectroscopy.pdf 2015-12-02 20:05:41
- Light Pollution2002.pdf 2015-12-02 20:04:16
- Solar Observing Techniques.pdf 2015-12-02 20:03:07
- Choosing and Using a Schmidt-Cassegrain Telescope.pdf 2015-12-02 20:01:44
- Astronomy with Small Telescopes.pdf 2015-12-02 20:00:11
- The Deep-Sky Observer’s Year.pdf 2015-11-18 20:16:17
- Field Guide to the Deep Sky Objects.pdf 2015-11-18 20:14:43
- Transit When Planets Cross the Sun.pdf 2015-11-18 20:12:33
- Deep Sky Observing.pdf 2015-11-18 20:09:21
- Practical Astrophotography.pdf 2015-09-06 22:08:52
- AstroFAQs.pdf 2015-09-06 22:07:14
- Software and Data for Practical Astronomers.pdf 2015-09-06 22:03:12
- Observing Meteors, Comets, Supernovae and other Transient Phenomena.pdf 2015-09-06 22:01:03
- Photo-guide to the Constellations.pdf 2015-08-29 20:48:19