Gregory E. Lang (Author) GREGORY E. LANG is the New York Times bestselling author of more than 20 books, including Why a Daughter Needs a Dad, Why a Daughter Needs a Mom, Why a Son Needs a Dad, Why a Son Needs a Mom, and Why I Love You. He lives in Georgia. Lisa Alderson (Illustrator) LISA ALDERSON is originally from Lancashire, England. Since childhood she has been obsessed with the beauty of nature and all pretty things.