• Hein, G. E. (2014) in Sharon Shaffer,  Engaging Young Children in Museums. Walnut Creek, CA: Left Coast Press.
• Hein, G. E., Foreword, in J. Mokros, editor, (2006) Math Momentum in Science Centers, Cambridge, MA: TERC.
• Hein, G. E. (2006) “Foreword.” In I. Pumpian, D. Fisher & S. Wachowiak, Challenging the Classroom Standard through Museum-Based Education: School in the Park. Mawah, NJ: Lawrence Erlbaum.

• Hein, G. E. (2005) Introduction, Issue dedicated to Vito Perrone. Teaching & Learning:The Journal of Natural Inquiry & Reflective Practice, Fall, 2005 Volume 20, No. 3. http://www.und.nodak.edu/dept/ehd/journal/.
• Hein, G. E., (2005) “Foreword: The Importance of APE.” In T. Humphrey, and J. P. Gutwill, (2005) Fostering Active Prolonged Engagement, San Francisco, The Exploratorium.

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