| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Effective Grouping for Literacy Instruction | 978-0-205-30920-7 (0-205-30920-8) | 2000 |
| The Tao of Parenting: The Ageless Wisdom of Taoism and the Art of Raising Children | 978-0-452-28005-2 (0-452-28005-2) | 1998 |
| The Tao of Teaching: The Ageless Wisdom of Taoism and the Art of Teaching | 978-0-452-28095-3 (0-452-28095-8) | 1998 |
G. K. · G. N. · G Nagel · Greta Nagel · K. Nagel