Novelet. Illustrated by Carter. Appeared in the anthologies [i]Mind Partner and 8 Other Novelets from Galaxy[/i] edited by H.L. Gold, published in 1961, [i]Neglected Visions[/i] edited by Joseph D. Olander, Martin Harry Greenberg and Barry N. Malzberg, published in 1979 and [i]The Great SF Stories #22[/i] edited by Isaac Asimov and Martin H. Greenberg, published in 1991. Also appeared in the collected works [i]The Trouble with Aliens[/i] published in 2006.