Research shows that the number of different words a baby hears each day is the single most important predictor of later intelligence, school success and social competence. But what exactly should you read when?

—What do you buy after you've bought Goodnight Moon?

—Why should you read to a baby who can't even sit?

—How are you going to read to a baby who just found his feet—and won't stop trying them out?

—How often should you read to your baby to make sure she's ready for preschool?

Whether you're a new parent or grandparent, sibling or friend, aunt or uncle, Reading with Babies, Toddlers and Twos is the definitive guide to choosing, reading and loving books together.