Kathy Oxley, a Danville, Calif., mother of four, is the founder of Preschool Prep Company and the creator of DVDs that help children learn the alphabet, numbers, shapes, and colors. Oxley believes ...

Reading an author’s letters is often an unsatisfying experience. There are the inevitable frustrations and longueurs: time gaps, important events overlooked or hastily summoned. Marriages come and go ...