Storie dello Spazio Interno by John Varley and Leigh Brackett and Lester del Rey and Poul Anderson and Robert Moore Williams and William Tenn and Walter M. Miller Jr. and Stanley G. Weinbaum and Robert Silverberg and Larry Niven and Ray Bradbury and James E. Gunn and Harry Harrison and Margaret St. Clair and Hal Clement and Jack Williamson and Murray Leinster