Könemann · Workman Publishing Company
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Fraction Jugglers: A Math Gamebook for Kids and Their Parents | 978-0-7611-2104-6 (0-7611-2104-8) | 2001 | |
| Number Jugglers: Math Game Book & Math Game Cards | 978-0-7611-0882-5 (0-7611-0882-3) | 1998 | |
| Number Jugglers - Maths Game Book And Cards | 978-3-8290-4015-0 (3-8290-4015-6) | 1900 |
B. A. · Bell A. · R. A. · R. Alexander · R. B · R. Bell · Ruth Alexander · Ruth B. · Ruth B. Alexander · Ruth Bell