This remarkable novel originally appeared in 1903 in The Argosy magazine, but was not published in book form until 1925. By then, Karel Capek's RUR had been written, and Cook's work, in which mechainical men appeared for the first time in science fiction, received little notice.
US newspaper reporter and writer, sometimes as by John Milton Edwards, under which name he published The Fiction Factory (1912), a detailed account of his early career in magazine publishing; most of his many stories appeared after the turn of the century in such magazines as The Argosy, some of them only reaching book form after a decade or so, in a stapled format reminiscent of Dime-Novel SF; they are all, however, full-length novels.