"My life was the result of my crazy childhood." With these words began an extraordinary correspondence, between Roy Tester, a double-murderer serving a life sentence in the notorious Arkansas prison, Tucker Maximum Security Prison, and Doug Carnine, a meditation teacher and lay Buddhist minister on the other side of the country. In the letters that followed -- more than 700 over seven years -- these two men, along with three other prisoners at Tucker Max, developed a profound spiritual par...