Middle-age mischief: Dave Barry Turns 40 appears on the Nonfiction list at No. 9. Despite its title, the humorist's new book will not disappoint readers by serving forth serious reflections on maturity or even, heaven forbid, a mature Mr. Barry. FICTION WEEK ON LIST

1 THE STAND: THE COMPLETE AND UNCUT EDITION 4 Stephen King, Doubleday, $24.95 2 SEPTEMBER 7 Rosamunde Pilcher, St. Martin's, $22.95 3 DRAGON 3 Clive Cussler, Simon & Schuster, $21.95 4 OH, THE PLACES YOU'LL GO! 15 Dr. Seuss, Random House, $12.95 5 AN INCONVENIENT WOMAN 4 Dominick Dunne, Crown, $19.95 6 THE BOURNE ULTIMATUM 12 Robert Ludlum, Random House, $21.95 7 THE GOLDEN ORANGE 3 Joseph Wambaugh, Morrow, $19.95 8 SKINNY LEGS AND ALL 7 Tom Robbins, Bantam, $19.95 9 FAMILY PICTURES 4 Sue Miller, Harper & Row, $19.95 10 MASQUERADE 8 Janet Dailey, Little, Brown, $19.95

NONFICTION

1 MEN AT WORK 9 George Will, Macmillan, $19.95 2 IN THE ARENA: A MEMOIR OF VICTORY, DEFEAT AND RENEWAL 6 Richard M. Nixon, Simon & Schuster, $21.95 3 MEGATRENDS 2000 19 John Naisbitt & Patricia Aburdene, Morrow, $21.95 4 WEATLH WITHOUT RISK 69 Charles Givens, Simon & Schuster, $19.95 5 SECRETS ABOUT MEN EVERY WOMAN SHOULD KNOW 15 Barbara DeAngelis, Ph.D., Delacorte, $17.95 6 IT WAS A FIRE WHEN I LAY DOWN IT 38 Robert Fulghum, Villard, $17.95 7 BARBARIANS AT THE GATE: THE FALL OF RJR NABISCO 19 Bryan Burrough & John Helyar, Harper & Row, $22.95 8 BEWARE THE NAKED MAN WHO OFFERS YOU HIS SHIRT 15 Harvey Mackay, Morrow, $19.95 9 DAVE BARRY TURNS 40 2 Dave Barry, Crown, $18.95 10 LIAR'S POKER: RISING THROUGH THE WRECKAGE ON WALL STREET 29 Michael M. Lewis, Norton, $19.95