After nine long months of pregnancy, your bundle of joy is finally here. It isn't until you get home from the hospital with your tiny newborn that you realize something is missing. Where is the official manual? There is certainly no shortage of advice. Grandmother sternly advises you to bundle the baby up in four layers of wool blankets. Your aunt, on the other hand, tells you to give the baby some water because the weather is so hot. Who do you listen to?