Harold takes a trip to the moon and comes home again simply by drawing his way through the letters of the alphabet with a purple crayon.
- ISBN10 0064430235
- ISBN13 9780064430234
- Publish Date 20 May 1981 (first published 1 December 1963)
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperPaperbacks
- Format Paperback
- Pages 64
- Language English