1) Total Freedom : The Essential Krishnamurti. Selected writings of Jiddu Krishnamurti from his 50+ years of lectures and notes to self.

2) Waking Up: A Guide to Spirituality without Religion, by Sam Harris. An amazing masterpiece on a rational approach to meditation.

3) Coming to our senses, by Jon-Kabat Zinn. A collection of essays which delve into the urgency of understanding oneself in the present moment & the case for contemplative life.