An Introduction to Philosophical Logic
The Refutation of Scepticism
Berkeley: The Central Arguments
Wittgenstein
The Long March to the Fourth of June (with Xu You Yu)
China: A Literary Companion (with Susan Whitfield)
Philosophy 1: A Guide through the Subject (editor)
Russell
The Future of Moral Values
Philosophy 2: Further through the Subject (editor)
The Quarrel of the Age: The Life and Times of William Hazlitt
Herrick: Lyrics of Love and Desire (editor)
What is Good?
Descartes: The Life and Times of a Genius
The Meaning of Things
The Reason of Things
The Mystery of Things
The Heart of Things
The Form of Things
The Continuum Encyclopaedia of British Philosophy (editor)
Among the Dead Cities: Was the Allied Bombing of Civilians in WWII a Necessity or a Crime?
Against All Gods
Towards the Light: The Story of the Struggles for Liberty and Rights that Made the Modern West
The Choice of Hercules
Truth, Meaning and Realism
Scepticism and the Possibility of Knowledge
Ideas That Matter
To Set Prometheus Free
Liberty in the Age of Terror
Thinking of Answers
The Good Book
The God Argument
The Challenge of Things