Brave block-builder David Finebloom receives a message from the moon that it is falling apart and rushes off to help.
- ISBN10 0689504721
- ISBN13 9780689504723
- Publish Date 1 March 1989
- Publish Status Active
- Publish Country US
- Publisher Simon & Schuster
- Imprint Atheneum Books for Young Readers
- Edition Us ed.
- Format Hardcover
- Pages 32
- Language English