James A. Duke
James A. Duke, Ph.D has spent more than 30 years studying and writing about plants with therapeutic powers. He is regarded as the world's leading authority on the subject.
James A. Duke, Ph.D has spent more than 30 years studying and writing about plants with therapeutic powers. He is regarded as the world's leading authority on the subject. See less
James A. Duke's Featured Books
James A. Duke book reviews