Watch and wonder as your little one discovers the world, becoming alert to the sights and sounds around him, and picks up critical motor skills such as reaching, grasping, sitting, crawling, and walking.

Best Things to Do for Your Baby Don't miss these seven easy essentials for healthy development.

Your Baby's Temperament Even the tiniest babies have a personality all their own.

The First Month: Getting Oriented Your newborn can take in a surprising amount of information about his new world.

Seven to Ten Months: Thinking and Experimenting Look out your baby is mobile!