Paradox lost, and twelve other great science fiction stories

Berkley Medallion, 1974. Stories from a science fiction master. Includes an introduction from Brown's wife, and these stories: Paradox Lost (1943); Puppet Show (1962); The Last Train (1950); It Didn't Happen (1963); Knock (1948); Obedience (1950); Ten Percenter (1963); Aelurophobe (1962); Eine Kleine Nachtmusik (1965, with Carl Onspaugh); Nothing Sirius (1944); The New One (1942); Double Standard (1963); Something Green (1951).