Tower of Glass Robert Silverberg Tower of Glass by Robert Silverberg Hugo 1971 · Finalist Sign in to put this book on your shelf. Prize history Nebula Award for Best Novel 1970 · awarded 1971 Finalist Hugo Award for Best Novel 1971 Finalist Hugo Award for Best Novel 1971 finalists Ringworld Larry Niven Ringworld Larry Niven Winner Star Light Hal Clement Star Light Hal Clement Tau Zero Poul Anderson Tau Zero Poul Anderson The Year of the Quiet Sun Wilson Tucker The Year of the Quiet Sun Wilson Tucker Nebula Award for Best Novel 1970 finalists Ringworld Larry Niven Ringworld Larry Niven Winner And Chaos Died Joanna Russ And Chaos Died Joanna Russ Fourth Mansions R. A. Lafferty Fourth Mansions R. A. Lafferty The Steel Crocodile David G. Compton The Steel Crocodile David G. Compton The Year of the Quiet Sun Wilson Tucker The Year of the Quiet Sun Wilson Tucker