ITC Serif Gothic with the tight spacing that’s so typical for the 1980s and various alternate glyphs including the angled e, the descending f, and the uncial E. The descending t is customized.
The Different Drum: Community Making and Peace (Touchstone, 1987) is a book by psychiatrist Morgan Scott Peck (1936–2005) who is best known for The Road Less Traveled from 1978.