Also just copying from my kindle version of the very short introduction book:
General Recent introductory works on utilitarianism include:
Krister Bykvist, Utilitarianism: A Guide for the Perplexed, Bloomsbury Academic, London, 2010
Tim Mulgan, Understanding Utilitarianism, Routledge, London, 2014.
Those who want to go more deeply into the topic may wish to read:
Katarzyna de Lazari-Radek and Peter Singer, The Point of View of the Universe, Oxford University Press, Oxford, 2014
Torbjörn Tännsjö, Hedonistic Utilitarianism, Edinburgh University Press, Edinburgh, 1998.
For specific topics discussed in this book, we also recommend looking up the topic in the free online Stanford Encyclopedia of Philosophy: <https://plato.stanford.edu>
Also just copying from my kindle version of the very short introduction book: