A few days ago I received in the mail a copy of Amazing Dad by Stephanie Byrd. This is a self-published book and by far the exception among the self-published books I receive–it is really and truly good. Byrd has combed through the letters of the great statesman William Wilberforce, the letters to his children, and has found there the principles that dominated and set the course for his life. These letters are sweetly pastoral as a father encourages, exhorts …