Calculating God

Calculating God is a 2000 science fiction novel by Robert J. Sawyer. It takes place in the present day and describes the arrival on Earth of sentient aliens. The bulk of the novel covers the many discussions and arguments on this topic, as well as about the nature of belief, religion, and science. Several planetary civilizations illustrate the logical conclusion of the Fermi paradox. Calculating God received nominations for both the Hugo and John W. Campbell Memorial Awards in 2001.