Baby Hearts: A Guide to Giving Your Child an Emotional Head Start       In the third volume of their acclaimed, science-based series, Linda Acredolo, Ph.D., and Susan Goodwyn, Ph.D. bring the fruits of their 20+ years’ research on parent-infant relationships to reveal the rich, emotional lives of young babies and teach parents ways to give their baby or toddler an emotional head start during the earliest and most critical years. Translating upto- date research findings into practical strategies and fun activities, this comprehensive guide will help you help your child begin life in a positive direction that will benefit you both for years to come.