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.