I hadn't heard of the list before, so I did a Google search and this is what I found. From Human Events.
http://www.humaneventsonline.com/article.php?id=75911. The Communist Manifesto
Author Karl Marx and Freidrich Engels
2. Mein Kampf
Author: Adolf Hitler
3. Quotations from Chairman Mao
Author: Mao Zedong
4. The Kinsey Report
Author: Alfred Kinsey
5. Democracy and Education
Author: John Dewey
6. Das Kapital
Author: Karl Marx
7. The Feminine Mystique
Author: Betty Friedan
8. The Course of Positive Philosophy
Author: Auguste Comte
9. Beyond Good and Evil
Author: Freidrich Nietzsche
10. General Theory of Employment, Interest and Money
Author: John Maynard Keynes
Honorable Mention
These books won votes from two or more judges:
The Population Bomb
by Paul Ehrlich
What Is To Be Done
by V.I. Lenin
Authoritarian Personality
by Theodor Adorno
On Liberty
by John Stuart Mill
Beyond Freedom and Dignity
by B.F. Skinner
Reflections on Violence
by Georges Sorel
The Promise of American Life
by Herbert Croly
Origin of the Species
by Charles Darwin
Madness and Civilization
by Michel Foucault
Soviet Communism: A New Civilization
by Sidney and Beatrice Webb
Coming of Age in Samoa
by Margaret Mead
Unsafe at Any Speed
by Ralph Nader
Second Sex
by Simone de Beauvoir
Prison Notebooks
by Antonio Gramsci
Silent Spring
by Rachel Carson
Wretched of the Earth
by Frantz Fanon
Introduction to Psychoanalysis
by Sigmund Freud
The Greening of America
by Charles Reich
The Limits to Growth
by Club of Rome
Descent of Man
by Charles Darwin