Explains the phases of the moon--the changes that seem to happen to it as it goes around Earth.
- ISBN10 0690045832
- ISBN13 9780690045833
- Publish Date 1 December 1987 (first published 1 December 1960)
- Publish Status Active
- Publish Country US
- Imprint Crowell
- Edition Rev ed.
- Format Hardcover
- Language English