TRIAL RUN, by Dick Francis (Harper & Row, $8.95). The upcoming Moscow Olympic games is the setting for this latest champion from Francis, the former steeplechase jockey and a marvelous storyteller. His hero goes to Moscow to dispel ugly rumors about a member of the Royal Family who wants to be on the British riding team. Francis, who has visited Moscow, goes beyond the thriller to reflect life in a society where people live amid suspicion and have learned to hide behind expressionless masks. THE GREEN RIPPER, by John D. MacDonald (Lippincott, $9.95). Travis McGee, that modern knight-errant, is black for another adventure in this irresistible series by another superb plot-spinner. Setting out to avenge the death of the woman he loves, a mellowed McGee must deal with religious cultists and mindlessly fanatic terrorists THE MURDER OF MIRANDA, by Margaret Millar (Random House, $8.95). This is a wicked, witty novel of manners from a sophisticated stylist. There is murder with a lastpage shocker, but the real delight is Millar's observations on the rich, bored and rather sad people of the palm Springs private-club set. THE ELEVENTH LITTLE INDIAN, by Yves Jacquemard and Jean-Michel Senecal, (Dodd, Mead, $8.95). If we can't have a Christie for Christmas as in years past, this is the next best thing. It is an imitation of Dame Agatha's puzzler ingenuity done with affection, admiration and skill. A TREASURY OF VICTORIAN DETECTIVE STORIES, edited by Everett F. Bleiler (Scribner's, $14.95). Bleiler's sampler, with his informative essays, is a delieghtful introduction to that period when the detective story originated, matured and became popular. The work of the lesser-known authors is not outclassed by selections from such writers as Charles Dickens, Wilkie Collins and a non-Sherlockian Conan Doyle. STAR LIGHT, STAR BRIGHT, by Stanley Ellin (Random House, $8.95). Ellin, a master craftsman, takes the private-eye story and turns it into something more with scene, atmosphere and a fascinating assortment of characters set against the background of the Hollywood film colony. A LONELY PLACE TO DIE, by Wessel Ebersohn (Pantheon, $8.95). This is a crim novel with substance: it mirrors the evils of South African apartheid society, at the same time pursuing a good murder-mystery plot. It is the story of a maverick government psychologist who, not believing a demented black farmhand could have killed his boss, finds himself the target of white supremacists. THE JUDGE DEE CHINESE MYSTERIES, by Robert van Guilk (paperback series by both the University of Chicago Press, $2.95 each, and Scribner's Crime Classics, $1.95 each). A set of these paperback reprints is a splendid introduction to the late Dutch diplomat, who transformed a real-life 7th-century Chinese magistrate into a fictional sleuth, with scrupulous attention to the historical background. MY NAME IS NORVAL, by Terence de Vere White (Harper & Row, $8.95). This study of a gullible female makes for a chilling story of terror by a well-known novelist, who writes with acid humor and makes this strange murder story both credible and terrifyingly probable. MURDER IN THE HELLFIRE CLUB, by Donald Zochert (Holt, Rinehart & Winston, $8.95) Dr. Ben Johnson is the sleuth against a background of bawdy 18th-century London; he solves several murders including one that may be the first homicide by electricity. VERDICT OF 13: An Anthology of the Delection Club (Harper & Row, $9.95). This collection from the prestigious club of British crime writers includes first-rate homicide by such craftsman as Dick Francis, Ngaio Marsh, P.D. James, Michael Gilbert and Julian Symons. DEATH OF A MYSTERY WRITER, by Robert Barnard (Scribner's, $8.95). The victim is Sir Oliver Fairleigh-Stubbs, an overbearing and arrogant man who has made a fortune from writing best-selling mysteries. His own death becomes one when he dies after sipping a rare liqueur at his birthday party. As always, Barnard combines a beguiling with with a good puzzler in his own special brand of whodunit. SPENCE AT THE BLUE BAZAAR, by Michael Allen (Walder, $7.95). The shocking denouement of this brilliantly plotted tale holds up to a rigorous examination. Does the author play fair as he tells his story of a well-endowed stripper murdered after her opening-nigh performance in a surburban London nightclub? The answer is yes. THE TIGHTROPE WALKER, by Dorothy Gilman (Doubleday, decade-old suspicious death after a crumpled not falls from an old hurdy-gurdy with the terrifying message: "They're going to kill me soon . . . "