I have never come across a coherent notion of bad or good, right or wrong, desirable or undesirable that did not depend upon some change in the experience of conscious creatures.
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.