Existentialism from Dostoevsky to Sartre http://www.amazon.com/Existentialism-Dostoevsky-Sartre-Revis...
A Kierkegaard Anthology http://www.amazon.com/Kierkegaard-Anthology-Soren/dp/0691019...
Party of One: The Loner's Manifesto by Anneli Rufus http://www.annelirufus.com/partyofone/
The Mindbody Prescription by John E. Sarno http://www.amazon.com/The-Mindbody-Prescription-Healing-Body...