- Expression and Interpretation in Language
- Between Signs and Non-Signs
- On the Past, Present, and Future of Semioethics: A Dialogue with Susan Petrilli (Routledge Focus on Linguistics)
- Semiotics Unbounded: Interpretive Routes through the Open Network of Signs (Toronto Studies in Semiotics and Communication)
- Thomas Sebeok and the Signs of Life (Postmodern Encounters)