| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Drawing Stars & Building Polyhedra | 978-1-59363-066-9 (1-59363-066-2) | 2005 |
| Nim: Serious Math With a Simple Game | 978-1-59363-042-3 (1-59363-042-5) | 2005 |
C.F. · C Freeman · C.M. · Christopher Freeman · Christopher.M · M. F. · M. Freeman