Jaws notwithstanding, the greatest literary leviathan of them all remains Moby-Dick, and Norton has issued a handsome, hardback new edition of Herman Melville's novel, with a commentary by Howard Mumford Jones and 75 line drawing illustrations by Warren Chappel [$14.95]. Vintage Books has reprinted three P. G. Wodehouse classics, Mulliner Nights, The Code of the Woosters, and Leave it to Psmith [$1.95 each]. Popular Library has a one-volume edition of two Nancy Mitford novels, The Pursuit of Love and Love In A Cold Climate [$1.95]. Two additions to Popular Library's "Lost American Fiction" series are John Thomas's Dry Martini and Edith Summers Kelly's The Devil's Hand [$1.50 each]. Also from Popular Library: Quins Shanghai Circus by Edward Whittemore [$1,95] and Doris Lessing's African Stories [$1.95]. The prolific Anthony Burgess is represented in a Bantam edition of Napoleon Symphony [$1.95], Dell has reprinted Eugene Burdick's The Ninth Wave [$1.75] and Robert F. Jones's Blood Sport [$1.50], while Pocket Books is offering Bernard Malamud's Pictures of Fidelman [$1.75] and Berton Roueché's Feral [$1.50]. Liveright has produced Great Russian Short Stories of the 19th and 20th centuries in paperback [edited by Stephan Gr'aham, $6.95]. The Fairy Tales of Oscar Wilde is a new Hart paperback [$1.95].