|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||4 days ago||47.25||$30.20||You save $17.05|
|Amazon US||3 days ago||37.34||$30.20||You save $7.14|
Dinah L. Moche, Ph.D., is Professor of Physics and Astronomy at the City University of New York. An award-winning author and lecturer, her books have sold over ten million copies in seven languages.
""One of the best ways by which one can be introduced to the wonders of astronomy."" --The Strolling Astronomer ""Excellent . . . provides stimulating reading and actively involves the reader in astronomy."" --The Reflector