Is your baby hungry or tired? Does she have a tummy ache or does he just need a diaper change? Its easy to know when you and your baby learn to sign together.Studies show that babies who sign develop increased vocabularies, experience less frustration, and begin to speak earlier. These short stories, playful pictures, and clear instructions are practical for parents and fun for older siblings. Lets Sign! is designed to help you more fully enjoy mealtime, playtime, bedtime, and other daily activities with the baby in your life.