Divide and Rule (novella)

Divide and Rule is a science fiction novella by American writer L. Sprague de Camp. It was first published as a serial in the magazine Unknown from April to May, 1939 and first appeared in book form in de Camp's collection Divide and Rule (Fantasy Press, 1948). The story was revised for book publication. The first stand-alone book edition of the story was published as a large-print hardcover by Thorndike Press in September 2003. An E-book edition of the story was issued by Gollancz's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form.

The story has also appeared in the anthologies Cosmic Knights (Signet/NEL, 1985), The Mammoth Book of Classic Science Fiction: Short Novels of the 1930s (Robinson, 1988), Divide and Rule/The Sword of Rhiannon (Tor, 1990), and Great Tales of Classic Science Fiction (Galahad Books, 1990).