About Duotrope ®. Duotrope is a subscription-based service for writers and artists that offers an extensive, searchable database of current fiction, poetry, nonfiction, and visual art markets, a calendar of upcoming deadlines, a personal submission tracker, and useful statistics compiled from the millions of data points we've gathered on the publishers and agents we list. British literary magazine GRANTA publishes poetry, fiction and literary nonfiction—with an emphasis on photojournalism and memoirs. The iconic quarterly, over a century old and with a circulation of fifty thousand, is an extremely competitive market. For updated submission guidelines and contact information, always visit the current issue of Blackbird at www.blackbird.vcu.edu Blackbird is published twice each year. When submitting unsolicited manuscripts, please be aware that we do not read from April 15 to September 15. How to find scale factor of a dilation with coordinates.