"Tyrone can't find his lucky penny anywhere. Luckily, professors Pablo and Uniqua are here to help! They take Tyrone for a trip to the center of the earth in their newest invention, the rocket drill"--Publisher.
- ISBN10 1416970940
- ISBN13 9781416970941
- Publish Date 23 December 2008
- Publish Status Out of Stock
- Publish Country US
- Publisher Simon & Schuster
- Imprint Simon Spotlight
- Format Paperback (US Trade)
- Pages 24
- Language English