When Gravity Fails

When Gravity Fails is a cyberpunk science fiction novel by American writer George Alec Effinger, published in 1986. It was nominated for the Nebula Award for Best Novel in 1987 and the Hugo Award for Best Novel in 1988. The title is taken from "Just Like Tom Thumb's Blues", a song by Bob Dylan: "When your gravity fails and negativity don't pull you through".