ASHLAND, Ore. — Dorothy B. Hughes, writer of mystery novels, died May 6 at age 88.Hughes’ novels included “The Fallen Sparrow,””Ride the Pink Horse” and “In a Lonely Place,” all of which were made into movies. She received an Edgar Allan Poe award from the Mystery Writers of America in 1951 for literary criticism for the Albuquerque Tribune and another in 1976 for criticism for the Los Angeles Times. She was also nominated for an Edgar Allan Poe award for her 1978 biography of mystery writer Erle Stanley Gardner. She helped found the Mystery Writers of America and received the group’s Grand Master award for lifetime achievement in 1978. In 1931 she won the annual Yale Series of Younger Poets award.