| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Challenging Projects for Creative Minds: 12 Self-Directed Enrichment Projects That Develop and Showcase Student Ability for Grades 1-5 | 978-1-57542-048-6 (1-57542-048-1) | 1999 | |
| Teaching Beyond the Test: Differentiated Project-Based Learning in a Standards-Based Age, Grades 6 & Up | 978-1-57542-259-6 (1-57542-259-X) | 2007 | Phil Schlemmer M.Ed. |