These books and short stories cover the topics of libertarianism, voluntaryism, anarchism, agorism, and the counter-economy.
(While all of these books and short stories are definitely worth reading, I do not endorse every idea presented by every author.)
There are hundreds more free eBooks are available here!
. . . And Then There Were None by Eric Frank Russell
Alongside Night by J. Neil Schulman
An Agorist Primer by Samuel Edward Konkin III
The Ethics of Liberty by Murray N. Rothbard
Everything Voluntary – From Politics to Parenting Edited by Skyler J. Collins
For a New Liberty: The Libertarian Manifesto by Murray N. Rothbard
I, Pencil by Leonard E. Read
The Machinery of Freedom by David Friedman
The Most Dangerous Superstition by Larken Rose
New Libertarian Manifesto by Samuel Edward Konkin III
No Treason: The Constitution of No Authority by Lysander Spooner
Our Enemy The State by Albert Jay Nock
The Politics of Obedience: The Discourse of Voluntary Servitude by Étienne De La BoÉtie