| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Conversations with Animals: Cherished Messages and Memories as Told by an Animal Communicator | 978-0-939165-33-9 (0-939165-33-3) | 1998 | Bonnie S. Weintraub |
| Montessori Learning in the 21st Century: A Guide for Parents and Teachers | 978-0-939165-60-5 (0-939165-60-0) | 2011 | |