 It has since been reprinted in paperback by Ace Books in July 1979 and Baen Books in April 1992, and in trade paperback by Phoenix Pick in September 2014.An E-book edition was published by Gollancz's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form; a second e-book edition was issued by Phoenix Pick in September 2014.The book has also been translated into Italian, German and Greek.