21st Century Astronomy and Learning Astronomy by Doing AstronomyLaura Kay, Ana Larson, Stacy Palen, George Blumenthal · First published 2016Open the Tome
Understanding Our Universe and Learning Astronomy by Doing AstronomyAna Larson, Stacy Palen, Laura Kay, Bradford Smith, George Blumenthal · First published 2014Open the Tome
Schaum's outline of theory and problems of astronomyStacy E. Palen · First published 2002Open the Tome
