Ayn Rand has been one of the greatest salesmen of capitalism in history, with total sales of her books approaching 30 million copies.

Is Atlas Shrugged about capitalism?

Readers of Atlas Shrugged are struck by the moral fire of Ayn Rand's defense of business and capitalism. She does not regard capitalism as an amoral or immoral means to some “common good” — as do most of its alleged defenders — but as a profoundly moral social system. ... It is a nonfiction footnote to Atlas Shrugged.”

How does Ayn Rand feel about communism and capitalism?

Communism,” in which Ayn Rand notes: “No political-economic system in history had proved its values so eloquently or had benefited mankind so greatly as capitalism, and none has ever been attacked so savagely and blindly.