Grandpa / James H. Schmitz -- Of mist, and grass, and sand / Vonda M. McIntyre -- There is a tide / Brian W. Aldiss -- The Deep range / Arthur C. Clarke -- The World between / Jack Vance -- Incased in ancient rind / R. A. Lafferty -- On the last afternoon / James Tiptree, Jr. -- The Wind and the rain / Robert Silverberg.