The System of the World is a novel by Neal Stephenson and is the third and final volume in The Baroque Cycle. The title alludes to the third volume of Isaac Newton's Philosophiae Naturalis Principia Mathematica, which bears the same name. The System of the World won the Locus Award for Best Science Fiction Novel and the Prometheus Award in 2005, as well as a receiving a nomination for the Arthur C. Clarke Award the same year.