What to Expect When You're Expecting meets What's Your Poo Telling You? in this informative, entertaining, and practical guide to understanding your baby's digestion. Let's face it: babies don't do much. So when we want to know how a baby is feeling, we look at how they are eating, sleeping, and pooping. But baby digestion is a complicated landscape, and most parents struggle to interpret everything from burps and grunts...