Leonard Peikoff

Penguin

Objectivism: The Philosophy of Ayn Rand          

Penguin

Ominous Parallels                                

Penguin

Introduction to Objectivist Epistemology: Expanded Second Edition

Penguin

Letters of Ayn Rand                              

Ayn Rand Institute Press

The Art of Thinking (English Edition)            

Berkley

The DIM Hypothesis: Why the Lights of the West Are Going Out (English Edition)

Ayn Rand Institute Press

Discovering Great Plays: As Literature and as Philosophy (English Edition)

Why Act on Principle? (English Edition)          

Founders of Western Philosophy: Thales to Hume (English Edition)

Berkley

Understanding Objectivism: A Guide to Learning Ayn Rand's Philosophy (English Edition)