ɐn ˈɜːlɪɚ nˈɑːvəl wɪððə sˈeɪm tˈaɪɾəl, ɹˈɪʔn̩ baɪ ɡˈoʊldən ˈeɪdʒ jˈuː.ˈɛs. sˈaɪənsfˈɪkʃən ɹˈaɪɾɚɹ ˈɛdmənd hˈæməltən, wʌz fˈɜːst pˈʌblɪʃt ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti wˈʌn ænd ɹᵻpˈʌblɪʃt ɪn mˈæs pˈeɪpɚbˌæk ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɛvən.
An earlier novel with the same title, written by Golden Age U.S. science-fiction writer Edmond Hamilton, was first published in 1951 and republished in mass paperback in 1957.