Stories: The Hurkle is a Happy Beast, by Theodore Sturgeon; Grandpa, by James H Schmitz; The Blue Giraffe, by L Sprague de Camp; The Preserving Machine by Philip K Dick; A Martian Odyssey, by Stanley G Weinbaum; The Sheriff of Canyon Gulch, by Poul Anderson and Gordon R Dickson; Drop Dead, by Clifford D Simak; The Gnurrs Come from the Voodvork Out. by R Bretnor; Collecting Team, by Robert Silverberg. Introduction by Robert Silverberg, who also wrote introductory notes to each story.