Fifth graders Freckle and Tyler meet an unusual bicycle salesman and inventor who turns out to be Leonardo da Vinci, traveling through time.
- ISBN10 0440409381
- ISBN13 9780440409380
- Publish Date 1 April 1994 (first published 1 April 1992)
- Publish Status Out of Stock
- Publish Country US
- Imprint Yearling Books
- Format Paperback (US Trade)
- Pages 176
- Language English