Included in this volume are "An Infinite Summer " by Christopher Priest; "The King's Wishes " by Robert Sheckley; "Manna " by Peter Phillips; "The Long Remembering " by Poul Anderson; "Try and Change the Past " by Fritz Leiber; "Divine Madness, by Roger Zelazny; "Mugwump 4 " by Robert Silverberg; "Secret Rider " by Marta Randall; and "The Seesaw " by A.E. van Vogt.