Explorations: Stars, galaxies, and planets / Thomas T. Arny

 Arny, Thomas T.;

Boston : McGraw-Hill Higher Education , 2004

Pathways to astronomy

 Arny, Thomas T.; Schneider, Stephen E.;

Boston : : McGraw-Hill Higher Education , 2007

Exploration : an introduction to astronomy

 Arny, Thomas T.; Schneider, Stephen E.;

New York : McGraw-Hill , 2014