Rest easy with this authoritative guide to your baby's first year. Finally, the long-awaited new book from the authors of the million-copy bestseller Your Pregnancy Week by Week .Learn about your baby's weekly development and how to car for baby's body and mind. In an easy-to-read format, each week includes *How Big Is Your Baby? This upbeat book emphasizes well-baby care and how you can encourage your baby's social, emotional, physical and intellectual development. Charts and illustrations appear throughout the book. You will also find easy-to-read two-page spreads that highlight issues of special interest.