Kirkus Reviews gave out its first-ever Kirkus Prize for fiction, nonfiction, and young readers’ literature on Thursday night. The fiction prize went to a New Englander — Maine author Lily King , for her novel “Euphoria.” (Roz Chast took the nonfiction honor, while Kate Samworth won the young readers’ prize.) The honor comes with $50,000.Names can be reached at firstname.lastname@example.org. Follow Mark Shanahan on Twitter @MarkAShanahan. Follow Meredith Goldstein on Twitter @MeredithGoldste.