Peggy J. Jenkins, Ph.D., is the founder of Joyful Child, Inc., which offers the magazine The Joyful Child Journal, parenting classes, facilitator training, and a mail-order service. She lives in Ph...lihat lebih banyakPeggy J. Jenkins, Ph.D., is the founder of Joyful Child, Inc., which offers the magazine The Joyful Child Journal, parenting classes, facilitator training, and a mail-order service. She lives in Phoenix, Arizona.lihat lebih sedikit