A biography of Leonardo Fibonacci, the 12th century mathematician who discovered the numerical sequence named for him.
- ISBN: 9780805063059
- Author: D'Agnese, Joseph
- Illustrator: O'Brien, John
- Published: 2010 , Henry Holt & Company
- Themes: discovery, Mathematics, patterns
- Descriptors: Biography - Autobiography- Memoir, Europe, Italy, Picture Book, Primary (ages 6-9)
- No. of pages: 40