Can animals be moral? by Rowlands https://www.amazon.com/Can-Animals-Moral-Mark-Rowlands/dp/01... (https://www.amazon.com/Can-Animals-Moral-Mark-Rowlands/dp/019024030X) Also Analysis of the Self by Kohut https://www.amazon.com/Analysis-Self-Psychoanalytic-Narcissi... (https://www.amazon.com/Analysis-Self-Psychoanalytic-Narcissistic-Personality/dp/0226450120) which is difficult going but helps draw a circle around the concept of "self-centeredness"
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