Neutron Star - novelette by Larry Niven Rock On - short story by Pat Cadigan Transstar - novelette by Raymond E. Banks Billenium - short story by J. G. Ballard (variant of Billennium) Grandpa - novelette by James H. Schmitz The Last Question - short story by Isaac Asimov In the Circle of Nowhere - short story by Irving E. Cox, Jr. The Silk and the Song - novelette by Charles L. Fontenay Dial "F" for Frankenstein - short story by Arthur C. Clarke Carcinoma Angels - short story by Norman Spinrad