The difference between an expert and a novice is no less stark when it comes to recognizing the illusion of the self. But the qualifications of a teacher and the progress of a student are more difficult to assess.
Waking Up: A Guide to Spirituality Without Religion
It is a 2014 book by Sam Harris. Harris discusses a wide range of topics including secular spirituality, the illusion of the self, psychedelics, and meditation. He attempts to show that a certain form of spirituality is integral to understanding the nature of the mind.