Rufus, a sixth-grader, succeeds in business without really trying when he develops and markets his own toothpaste.
- ISBN13 9780618759255
- Publish Date 1 September 2006 (first published 8 May 1974)
- Publish Status Active
- Publish Country US
- Imprint Harcourt Children's Books
- Format Paperback
- Pages 144
- Language English