Investigating Astronomy & Web Assign Standard 6 Month Access Card

Astronomy Education Research Primer

Research on Teaching Astronomy in the Planetarium

Investigating Astronomy

Astronomy Online (Baby Hugs)

Learner-Centered Astronomy Teaching

Media activities book for Comins and Kaufmann's Discovering the universe

The Busy Professor

LaunchPad for Slater's Investigating Astronomy (Six Month Access)

Investigating Astronomy

Loose-leaf Version for Investigating Astronomy & LaunchPad Six Month Access Card