So Say Banana Bird

Civilized Alternative: Pattern for Protest

Extended Circle: Dictionary of Humane Thought

The Extended Circle: A Dictionary of Humane Thought

The Extended Circle: A Commonplace Book of Animal Rights

Food for a Future: The Complete Case for Vegetarianism

Anything Within Reason

Sealskin Trousers and Other Stories

Food for a Future: The Ecological Priority of a Humane Diet

Marvellous Party

Food for a Future: How World Hunger Could Be Ended by the Twenty-First Century