Singularity Hypotheses: A Scientific and Philosophical Assessment, with A H Eden, J H Søraker, and E Steinhart (in 2013)
The Logic Book , with M Bergmann and J Nelson, Fifth Edition, (2009). (6th edition in 2013)
Nanoethics: The Ethical and Social Implications of Nanotechnology , with F Allhoff, P Lin, and J Weckert, (2007).
The Turing Test: The Elusive Standard of Artificial Intelligence , (2003).
Robot Ethics; Future of Artificial Intelligence