There aren’t, yet, many books about Sentientism. There are, however, thousands of books about themes relevant to sentientism – epistemelogical and moral philosophy; religion, humanism, secularism, scepticism and atheism; consciousness and sentience; human, animal, even alien and robot ethics; artificial intelligence…
You’ll find links below for our GoodReads group where you can find lots of great reading material, as well as a couple of books that do bear more directly on Sentientism.
Please feel free to suggest others we should add here – or even write one yourself!
The Expanding Circle sets out the biological and evolutionary bases for morality and how we have improved on those through use of evidence and reason – in part, to widen our circle of concern within and then beyond the human race. There’s a short Wikipedia entry here.