While his time as head of the Library of Congress was mixed, as the article mentions, I have to recommend his excellent "Fire in the Minds of Men" which is abou

While his time as head of the Library of Congress was mixed, as the article mentions, I have to recommend his excellent "Fire in the Minds of Men" which is about how the French Revolution created the idea of ideology as something that existed outside of simply loyalty to leaders and how even people involved in the creation of the ideology (such as Robespierre) could end up on the wrong side of their own ideology.