The Magazine of Fantasy & Science Fiction and Boucher became interested in the idea of a fantasy companion to "Ellery Queen's Mystery Magazine", and spoke to Dannay about it. Dannay was interested in the idea, but paper was scarce because of World War II. The following year Boucher and McComas suggested that the new magazine could use the Ellery Queen name, but Dannay knew little about fantasy and suggested instead that they approach Lawrence Spivak, the owner of Mercury Press, which published "Ellery Queen's Mystery Magazine". In January 1946, Boucher and McComas went to New York and met with Spivak, who let them know later in the
Pen name but subsequent books were written by ghost writers. For instance, many of the later books in "The Saint" adventure series were not written by Leslie Charteris, the series' originator. Similarly, "Nancy Drew" mystery books are published as though they were written by Carolyn Keene, "The Hardy Boys" books are published as the work of Franklin W. Dixon, and "The Bobbsey Twins" series are credited to Laura Lee Hope, although numerous authors have been involved in each series. Erin Hunter, author of the "Warriors" novel series, is actually a collective pen name used by authors Kate Cary, Cherith Baldry, Tui T.