In 1991, author Lorraine Strohbehn published her first "letter book," Around My Kitchen Table. She went on to publish three additional books, which were also designed to be included in an envelope the size of a letter (hence, "letter books"): Biblical Self-Image, Choices, and Death of a Dream. Psalm 71:18 states: "Now also when I am old and greyheaded, O God, forsake me not; until I have shewed thy strength unto this generation, and thy power to every...