- Objective Theory of Probability
- Radical Diplomat: The Life of Sir Archibald Clark Kerr, Lord Inverchapel, 1882-1951 (British Academic Press)
- Philosophical Theories of Probability (Philosophical Issues in Science)
- Educational Leadership and Michel Foucault
- Frege, Dedekind, and Peano on the Foundations of Arithmetic (Routledge Revivals)