Complex sentence: The Invasion of Compulsory Sex Morality is a book written by Austrian psychoanalyst Wilhelm Reich and published in 1931, an attempt to explain sexual neuroses in historical, as opposed to Marxist or Freudian terms.
Split into simpler sentences: The Invasion of Compulsory Sex Morality is a book written by Austrian psychoanalyst Wilhelm Reich and published in 1931. The book details Reich's theories of the causes of sexual neuroses, and attempts to explain them in historical, as opposed to Marxist or Freudian terms.