Personalized Cordelia and Birds Believe in Yourself Baby Bodysuit. If you believe in yourself, you can achieve whatever you set your mind to. Cordelia and Birds Believe in Yourself Baby Bodysuit - Mauve, from the children's book "Cordelia" by Michelle Nelson-Schmidt. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.