Ch. 1. Who are the unfit?

Ch. 2. The unfit in Biblical times

Ch. 3. Self-pollution and declining health

Ch. 4. Degeneracy theory: identifying the innately depraved and the victims of vicious upbringing

Ch. 5. Dangerous classes and social degeneracy

Ch. 6. Poor laws and the descent to degeneracy

Ch. 7. The perfectibility of man confronts vice and misery

Ch. 8. Evolutionary ethics before darwin

Ch. 9. Hereditary units and the pessimism of the germ plasm

Ch. 10. The Jukes and the tribe of Ishmael

Ch. 11. A minor prophet of democracy

Ch. 12. Isolating the unfit through compulsory sterilization

Ch. 13. The emergence of two wings of the eugenics movement

Ch. 14. Europe's undesirables replace the domestic unfit

Ch. 15. Eugenics becomes an international movement

Ch. 16. Racism and human inequality

Ch. 17. Jews as people, race, culture, religion, and victims

Ch. 18. The smoke of Auschwitz

Ch. 19. The abandonment of eugenics by genetics

Ch. 20. The future of eugenics

Ch. 21. Dealing with life's imperfections.