Ellery Queen's Mystery Magazine Magazine" has several distinguishing hallmarks, most of which were established during the days of Frederic Dannay’s editorship and have been maintained and strengthened since then. It is believed that these characteristics have helped" EQMM "to survive and flourish for more than 75 years while retaining its reputation as the leading periodical in the genre. From the creation of "EQMM", Dannay was determined to make the magazine “a quality publication devoted exclusively to the printing of the best detective-crime short-story literature," making quality the sole criterion for inclusion in the magazine, and his principle is inherited by succeeded editors. Apart from
Pen name may use different pen names for each, sometimes with no attempt to conceal a true identity. Romance writer Nora Roberts writes erotic thrillers under the pen name J. D. Robb (such books are titled "Nora Roberts writing as J. D. Robb"); Scots writer Iain Banks wrote mainstream or literary fiction under his own name and published science fiction under Iain M. Banks; Samuel Langhorne Clemens used the aliases Mark Twain and Sieur Louis de Conte for different works. Similarly, an author who writes both fiction and non-fiction (such as the mathematician and fantasy writer Charles Dodgson, who wrote as Lewis