Skylark Three is the second in Edward E. Smith's Skylark series. Originally serialized through the Amazing Stories magazine it was first collected in book form in 1948. Skylark Three is set a year after the events of The Skylark of Space, during which antagonist Marc "Blackie" DuQuesne has used his wealth obtained in The Skylark of Space to buy a controlling interest in the story's World Steel Corporation. DuQuesne announces a long absence from Earth searching for a species more knowledgeable than the Osnomians allied with protagonist Richard Seaton.