Her book Altadena: Between Wilderness and City was recognized in 2005 for excellence by the American Association of State and Local History, and in 2006 she received the Donald Pflueger Award from the Historical Society of Southern California.
Eaton’s Water, a film about local pioneers and water development, was adapted from Zack’s short story and is used in local classrooms. Currently, she partners with the Huntington-USC Institute on California and the West and Pasadena Unified School District on a federal Teaching American History grant. Her role is to help educators integrate local, California, and United States history.
In the 1990s she lived in Thailand and California as AsiaWeek’s correspondent, and was a regular contributor to Far Eastern Economic Review. The author of a popular ethnography of a wandering hill tribe in Southeast Asia and co-author of Fielding's Guide to Thailand, Zack has written widely about Southeast Asia, and worked as speech writer for more than one Thai Prime Minister.