If magazine has won the Hugo as ""the world's leading science-fiction magazine for the past two years running."" So one can safely assume that this is a sp-lf-fy collection of ten with Brian W. Aldiss, Isaac Asimov, J. G. Ballard, Algis Budrys, Hal Clement, David A. Kyle, Keith Laumer, Larry Niven, Frederik Pohl and Fred Saberhagen as contributors.