- Explorations: An Introduction to Astronomy
- Pathways to Astronomy
- Pathways: With Starry Nights Pro CD 3.1 and Aris: An Introduction to Astronomy
- Pathways to Astronomy, Stars and Galaxies (Volume 2) with Starry Nights Pro CD-ROM
- Explorations: An Introduction to Astronomy, Volume 1: Solar System [with Starry Night Pro DVD v5.0]