| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Growing Patterns: Fibonacci Numbers in Nature | 978-1-59078-752-6 (1-59078-752-8) | 2010 |
| Wolfsnail: A Backyard Predator | 978-1-59078-554-6 (1-59078-554-1) | 2008 |
C C · C. Campbell · S.C. · S. Campbell · Sarah C. Campbell and Richard P. Campbell · Sarah Campbell