Examines the five known planets that lie outside the orbit of Mars, discussing their history, composition, moons, and possible planetary neighbors beyond Pluto.
- ISBN10 081142524X
- ISBN13 9780811425247
- Publish Date 14 March 1999
- Publish Status Out of Print
- Out of Print 6 August 2014
- Publish Country US
- Imprint Steck-Vaughn
- Format Hardcover
- Pages 48
- Language English