Devoted to a society of mathematicians living in a subterranean chamber of Ganymede, a moon of Jupiter. Status in their societies is determined by the beauty of their fractal dreams. Fractal weapons, chaos theory, the Lyapunov exponent, and strange attractors are featured.

This is a step down from Gleick's Chaos book. It has a similar target audience of those who enjoy science books written for the general public. It is a science fiction novel that introduces basic ideas related to nonlinear dynamics. There is a romantic interaction between a human and an extraterrestrial as a part of the narrative.