UniverseTheodore P. Snow, Kenneth R. Brownsberger · First published 1996 · Latest edition 1999Open the Tome
Study Guide to Accompany Essentials of the Dynamic Universe (An Introduction to Astronomy)Theodore P. Snow · First published 1990Open 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