PMP® Exam Prep: Accelerated Learning to Pass PMI's PMP® Exam ...
Rita Mulcahy
Understanding the Dark Side of Human Nature
Daniel Breyer
The Atman Project: A Transpersonal View of Human Development
Kenneth E. Wilber
Jacob's Ladder: Ten Steps to Truth
Peter J. Kreeft
Why Socrates Died: Dispelling the Myths
Robin Waterfield
Judgement and Reasoning in the Child
Jean Piaget