| title | ISBN-13 | year of publication |
|---|---|---|
| From the Socratics to the Socratic Schools: Classical Ethics, Metaphysics and Epistemology | 978-0-367-87273-1 | 2019 |
| Philosophy beyond Socrates' Athens: Cynics, Cyrenaics, Elians, and Megarians | 978-1-138-80791-4 | 2022 |
| Protagoras and the Challenge of Relativism: Plato's Subtlest Enemy | 978-0-7546-6078-1 | 2007 |
| The Circle of Megara | 978-1-84465-845-9 | 2021 |