What if your child's first 1,000 days were the most important of their life? The latest scientific findings on babies' brain development challenge many beliefs and certainties. Based on these findings, four leading professionals guide you through your baby's development from the second trimester to their second birthday, using real-life case studies with detailed commentary and explanations. More than just a practical guide, this book gives parents and parents-to-be the keys they need to understand what's at stake in the first few months of their child's life, and implement the right techniques and vocabulary to ensure harmonious development. Pregnancy, childbirth, sibling relationships, language, walking, playing—these issues and more are clearly addressed in thematically organized chapters.