Two additions to the Norton Library are American Appeasement, United States Foreign Policy and Germany, 1933—1938 by Arnold A. Offner [$3.95] and Liberty and Authority, Early American Political Ideology, 1689—1763 by Lawrence H. Leder [$2.95]. Indiana has published a paperback edition of Paul K. Conkin's Self-Evident Truths, a discussion of "the first principles of American government" [$2.95]. Two paperbacks dealing with the lives of black Americans are John W. Blassingame's Black New Orleans, 1860-1880 [Chicago, $3.95] and the third edition of August Meier and Elliott Rudwick's From Plantation to Ghetto [Farrar, Straus & Giroux, $4.95]. Seymour Melman's study of The Permanent War Economy is available as a Touchstone Book [Simon & Schuster, $4.95]. Two new paperbacks certain to be popular in Washington are Benjamin C. Bradlee's Conversations with Kennedy [Pocket Books, $1.95] and Philip Agee's Inside the Company CIA: Diary [Bantam, $2.50]. Garson Kanin's Hollywood is another new Bantam selection [$1.95].