Thanks to Lisa Fellman, I was able to purchase two copies of the book from the Mennonite Heritage Center in Harleysville, PA. The gentleman that answered the phone said they had several copies on the shelf.
For those who may be interested, here is the contact info:
Mennonite Heritage Center 565 Yoder Road PO Box 82 Harleysville, PA 19438-0082 Phone: (215)256-3020 Fax: (215)256-3023 Web: http://www.mhep.org/http://www.mhep.org/
Jim Hawthorne Albuquerque, New Mexico firstname.lastname@example.org