*M. C. Escher: Art and Science*. 1986, with H. S. M. Coxeter, M. Emmer, M. I. Teuber*The Road to Reality*. 2004*Cycles of Time*. 2010

- Is nature complex?. 1977. (In
)*The Encyclopaedia of Ignorance* - On the physics and mathematics of thought. 1988. (In
*The Universal Turing Machine*) - Consciousnes involved noncomputable ingredients. 1995. (In
*The Third Culture*) - Why new physics is needed to understand the mind. 1995. (In
*What Is Life? The Next Fifty Years*) - The complexity of our singular universe. 1996. (In
*The Universe Unfolding*) - Consciousness, Computation, and the Chinese Room. 2002. (In
*Views into the Chinese Room*) - The Rediscovery of Gravity: The Einstein Equation of General Relativity. 2002. (In
*It Must Be Beautiful*) - On attempting to model the mathematical mind. 2016. (In
*The Once and Future Turing*)