- 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)
- The Global World and Its Manifold Faces: Otherness as the Basis of Communication
- Signifying and Understanding: Reading the Works of Victoria Welby and the Signific Movement
- Sign Studies and Semioethics: Communication, Translation and Values