Send it to someone who can publish it. And if they won't publish it, send it to someone else who can publish it! And keep sending it! Of course, if no one will publish it, at that point you might want to think about doing something other than writing.

Robert B. Parker (1932-2010) was an American author of detective novels and Westerns, best known for his long-running series of novels featuring the private detective Spenser. His works were adapted into several successful films and television series, including the popular TV series Spenser: For Hire. Parker was the author of more than 70 books, including the Jesse Stone, Sunny Randall, and Virgil Cole series. He was widely recognized for his hardboiled detective style and witty dialogue, and his works have been praised for their realistic dialogue and vivid characterizations. He was awarded the Grand Master Award from the Mystery Writers of America in 2002.