Utilitarianism: A Very Short Introduction
Peter Singer & Katarzyna de Lazari-Radek
The Law of Peoples, with "The Idea of Public Reason Revisited"
John Rawls
The Logic of Sense
Gilles Deleuze
On the Application of Inductive Logic
Rudolf Carnap
Beyond the universal Turing machine
B. Jack Copeland & Richard Sylvan
Cryptography: A Very Short Introduction
Sean Murphy & Fred Piper
In the Beginning...was the Command Line
Neal Stephenson