To all those whose assistance, in various ways, contributed to making this book possible, the author expresses his appreciation and gratitude, especially and explicitly to the following: Mr. and Mrs. W. M. Miller, Sr., Messrs. Don Congdon, Anthony Boucher, and Alan Williams, to Dr. Marshal Taxay, the Reverend Alvin Burggraff, C.S.P., to Ss Francis and Clare, and to Mary, for reasons known to each of them.