Less than 10 pages long: 

• Letter to Menoeceus – Epicurus
• The short instructional manifesto for relationship anarchy – Andie Nordgren
• The Last Messiah – Peter Wessel Zapffe
• Ecclesiastes – book in the Old Testament 

10 to 30 pages long: 

• Job – book in the Old Testament
• On the Possibility of an Ongoing Moral Catastrophe – Evan G. Williams
• Realistic Monism: Why Physicalism Entails Panpsychism – Galen Strawson
• Moral Luck – Thomas Nagel
• A Defence of Poetry – Percy Bysshe Shelley
• Hávamál – Odin 

30 to 100 pages long:

• Untimely Mediations – Friedrich Nietzsche
• The Scientific Basis of Morals – William Kingdon Clifford
• The Hedonistic Imperative – David Pearce
• Fragments – Empedocles 

More than 100 pages long:

• The Nature of Things – Lucretius
• The World as Will and Represenation, Vol. 1 – Arthur Schopenhauer
• On Pleasure – Lorenzo Valla
• If Schools Didn’t Exist – Nils Christie
• The Ethical Slut – Dossie Easton & Janet Hardy
• Kallocain – Karin Boye
• The Jaina Path of Purification – Padmanabh Jaini 

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