Diane Zimmerman Umble is a professor of communication at Millersville University, author of Holding the Line: The Telephone in Old Order Mennonite and Amish Life, and coeditor of Strangers at Home: Amish and Mennonite Women in History, both published by Johns Hopkins. David Weaver-Zercher is an associate professor of American religious history at Messiah College and author of The Amish in the American Imagination, also published by Johns Hopkins.