Describes the composition, craters, and canals of Mars, discusses the Mariner IV space probe and its findings, and speculates about the possibility of life on Mars.
- ISBN10 0690152957
- ISBN13 9780690152951
- Publish Date 31 December 1975 (first published 1 January 1975)
- Publish Status Out of Print
- Out of Print 17 June 2021
- Imprint Crowell
- Edition 2nd ed.
- Format Hardcover
- Language English