| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1996 | 978-0-9648496-0-0 | Tim Erickson | United We Solve: 116 Math Problems for Groups, Grades 5-10 |
| 2002 | 978-0-9648496-2-4 | Tim Erickson | Fifty Fathoms: Statistics Demonstrations for Deeper Understanding |
| 2015 | 978-0-9648496-6-2 | '' | United We Solve: 116 Math Problems for Groups, Grades 5-10 |