S.J. · S S · Stephen J. · Stephen J Shawl
| title | ISBN-13 | year of publica- tion | other author(s) | 
|---|---|---|---|
| A Self-Paced Study Guide AND Laboratory Exercises in Astronomy, 5th Edition by J.L. Safko AND Discovering Astronomy, USC Version, 4th Edition by S.J. Shawl AND M.C. LoPresto - website | 978-0-7575-8019-2 | 2010 | LOPRESTO MICHAEL · SAFKO JOHN L · DEPARTMENT OF PHYSICS AND ASTRONOMY | 
| A Self-paced Study Guide and Laboratory Exercises in Astronomy | 978-0-7575-7046-9 | 2010 | LOPRESTO MICHAEL · SAFKO JOHN L | 
| DISCOVERING ASTRONOMY | 978-0-7575-2705-0 | 2006 | ASHMAN KEITH · HUFNAGEL BETH | 
| DISCOVERING ASTRONOMY | 978-0-7575-1787-7 | 2005 | ASHMAN KEITH · HUFNAGEL BETH | 
| DISCOVERING ASTRONOMY USC | 978-0-7575-5014-0 | 2008 | LOPRESTO MICHAEL · SAFKO JOHN L | 
| PAK: DISCOVERING ASTRONOMY USC | 978-0-7575-1064-9 | 2004 | LOPRESTO MICHAEL · SAFKO JOHN L | 
| PAK: DISCOVERING ASTRONOMY USC | 978-0-7575-2578-0 | LOPRESTO MICHAEL · SAFKO JOHN L |