Edgar Rice Burroughs

Swords of Mars is a science fantasy novel by American writer Edgar Rice Burroughs, the eighth of his Barsoom series. It was first published in the magazine Blue Book as a six-part serial in the issues for November 1934 to April 1935. The first book edition was published by Edgar Rice Burroughs, Inc. in February 1936.

Lost On Venus is the second book in the Venus series by Edgar Rice Burroughs. It was first serialized in Argosy in 1933 and published in book form two years later.