A riveting new science fiction novel from the writer who twice won the Philip K. Dick Award for best SF novel. Bela and Paul, two wild young mathematicians, are friends and roommates, and in love with the same woman, who happens to be Alma, Bela's girlfriend. They fight it out by changing reality using cutting edge math, to change who gets the girl. The contemporary world they live in is not quite this one, but much like Berkeley, California, and...