Self-Paced Study Guide and Laboratory Exercises in Astronomy and Discovering Astronomy USC VersionStephen J. Shawl, Michael Lopresto, John L. Safko · First published 2013Open the Tome
Discovering astronomyStephen J. Shawl, Keith Ashman, Beth Hufnagel · First published 2000 · Latest edition 2005Open the Tome
Instructors Manual to Accompany Discovering Microsoft WorksStephen J. Shawl, Robert Robbins, William H. Jefferys · First published 1999Open the Tome
Discovering astronomyR. Robert Robbins, William H. Jefferys, Stephen J. Shawl · First published 1994Open the Tome
Instructor's manual to accompany Essentials of the dynamic universeStephen J. Shawl · First published 1987Open the Tome
Instructor's manual to accompany The Dynamic Universe, an introduction to astronomy, Theodore P. SnowStephen J. Shawl · First published 1985Open the Tome
Instructor's manual with test bank to accompany Essentials of the dynamic universeStephen J. Shawl, Theodore P. Snow · First published 1984Open the Tome