Books
Books I have spent good sum of time with and recommend:
Sophie's World
Author: Jostein Gaarder
A novel about the history of philosophy, following Sophie as she learns about Western philosophical thought.
Mastery
Author: Robert Greene
An exploration of the path to mastery through historical examples and psychological insights.
Man's Search for Meaning
Author: Viktor E. Frankl
A Holocaust survivor's profound meditation on finding purpose in suffering and the human search for meaning.