Dr. Sylvia C. Chard is professor emeritus of Early Childhood Education at the University of Alberta, Canada. Dr. Chard teaches an online course from her website and lectures on interdisciplinary learning in Canada, the United States, and in many countries around the world. Yvonne Kogan has twenty-nine years of experience working as a teacher and administrator. She is the co-owner and principal of the Early Childhood and Lower Elementary departments of Eton School in Mexico City. Yvonne Kogan is cofounder and academic principal of the early childhood and elementary departments of Eton School in Mexico City. She is a consultant on the project approach for several schools in Mexico and abroad. Her published works include From My Side: Being a Child and Engaging Children's Minds: The Project Approach. For more than twenty years, Carmen A. Castillo has held several positions as a teacher and principal. Currently, she is an educational consultant and trainer for schools in Mexico and abroad. She is also a presenter at national and international conferences.