Describes the discovery and observation of the ninth planet, Pluto, and what has been learned about its orbit, its makeup, and its moon.
- ISBN10 053112245X
- ISBN13 9780531122457
- Publish Date 15 January 2004 (first published 1 September 2003)
- Publish Status Out of Print
- Out of Print 23 April 2014
- Publish Country US
- Imprint Franklin Watts
- Format Hardcover (Library Binding)
- Pages 112
- Language English