A must-read for any science fiction fan, The Science Fiction Hall of Fame Volume Two (published in two volumes, A & B ) is a compilation of twenty-two of the best novellas published between 1895 and 1962.
Heinlein found his true direction. The Martian setting is logically constructed and rich in convincing detail [while] the characters are engaging and the action develops naturally. Jack Williamson
One of Heinleins best, which is to say one of the best in all of Science Fictionterrific story with a superbly realized heroine and world. Poul Anderson