Penelope Leach is a research psychologist and one of the world s leading experts on child development. Her books include "Your Baby and Child", "Babyhood", and "Children First". She is a fellow of the British Psychological Society, a visiting professor at Winchester University, and a senior research fellow at Birkbeck College, University of London, and at the Tavistock and Portman NHS Foundation Trust. She has been a member of the Professional Advisory Council of the American Institute for Child, Adolescent, and Family Studies, a member of the Curriculum Board of Sesame Street, a consulting ed...