For some reason, I liked Rothbard's Libertarian Manifesto more than The Market for Liberty. I think my favorite starter would be Robert LeFavre's
LeFavre Commentaries.
They used to be numbered--you probably want to try ordering them by the order of the number at the end of the link. Here is the list of titles in the seemingly-correct chronological order I got them in:
Communication About Freedom
Yes, You Do Have a Philosophy
How Do You Know for Sure?
Emotion and Motivation
Sacrifice and Molestation
Obligation and Responsibility
A Definition of Freedom
Human Rights
Property and Ownership
Property Classifications
Ownership
Collective Ownership
Who Owns What?
How We Become Owners
How We Produce What We Need
Putting the Pieces Together
What is Wealth?
Wealth and Politics
What is Money? (pt 1)
What is Money? (pt 2)
What is Banking?
Gold and Banking
Fears of a Free Market
The Fear of High Prices
The Fear of Monopoly (pt1)
The Fear of Monopoly (pt2)
The Industrial Revolution (pt1)
The Industrial Revolution (pt2)
The Industrial Revolution (pt3)
The Industrial Revolution (pt4)
The Age of Robber Barons
The Great Depression
How to Get What You Want
Economic Revolutions
The Nature of Government
The Source of Government Power
The Beginning of American Independence
The American Revolution
The Declaration of Independence
The Communist Manifesto
Ethics in Collision
Origins of Socialist Thought
The Anarchists
The Communal Socialist
The Communists
The Fascists and Fabians
Revolution
Getting It All Together
Background to the Constitution
The Constitution Revisited
What Others Have Said About Liberty
What is the Right Amount of Government?
Poverty
First Secretary of Agriculture
Great stuff. Thanks Mises Institute!