Don Jose Ruiz is a Nagual (Toltec shaman) in the Eagle Knights lineage and son of don Miguel Ruiz, author of The Four Agreements. He is the author of The Wisdom of the Shamans, The Medicine Bag, Shamanic Power Animals, and The Shaman's Path to Freedom, and the coauthor with his father of The Fifth Agreement. Tami Hudman is an artist and author. She resides in Salt Lake City, Utah.