Book excerpt: Growing Up Just Got Easier... With the help of Angus, the lovable Answer Dog, best-selling author Heidi Murkoff extends a hand to children and parents as they tackle life's first experiences together. Congratulations -- you're having another baby! You're excited and a little nervous, but most of all you're wondering how you're going to explain this miraculous, but complex, process to your older, but still very young, child. We're here to help you answer your child's questions about how a baby is created, how it grows, and how it comes out to join the family. Have fun!