Holding Values: What We Mean by Progressive Education (Paperback) (ISBN-13: 9780325007243)

Brenda S. Engel has been a teacher, a consultant on Open Education, an educational evaluator, a researcher, a teacher of teachers, and, since 1973, an active member of the North Dakota Study Group. Recently retired from her position as associate professor at Lesley University, she is the author of a number of journal articles, monographs, and a book on appreciating children's art. She is a lifelong watercolorist.

Anne C. Martin, now retired, taught in public elementary schools for over 30 years. She has published numerous articles and is the author of an NDSG monograph.