Trade Paperback Nonfiction Based on sales from independent bookstores across America. For the Book Sense store nearest you, call 1-888-BOOKSENSE Independent Bookstores for Independent Minds Bestseller List for December 20, 1999 from sales the week ending December 11     Trade Paperback Nonfiction: 1 The Professor and the Madman Simon Winchester HarperPerennial $13.00 006099486X 2 Angela's Ashes Frank McCourt S&S $14.00 068484267X 3 The World Almanac and Book of Facts 2000   World Almanac $10.95 0886878470 4 A Walk in the Woods Bill Bryson Broadway $13.00 0767902521 5 Seat of the Soul Gary Sukav S&S $12.00 067169507X 6 Guns, Germs & Steel Jared Diamond Norton $14.95 0393317552 7 Our Dumb Century The Onion, et al Crown $15.00 0609804618 8 Endurance: Shackleton's Incredible Voyage Alfred Lansing Carroll & Graf $12.95 078670621X 9 Under the Tuscan Sun Frances Mayes Broadway $15.00 0767900383 10 Longitude 1st Week on List Dava Sobel Penguin $11.95 0140258795 11 Women's Bodies Women's Wisdom Christiane Northrup Bantam $17.95 0553379534 12 Girl, Interrupted Susanna Kaysen Vintage $12.00 0679746048 13 Holidays On Ice David Sedaris Back Bay $8.00 0316779237 14 Physics of Christmas Roger Highfield Back Bay Books $12.95 0316366951 15 A Child Called 'It' David J. Pelzer Health Communications $9.95 1558743669   On the Rise: 29 Sweet Potato Queens' Book of Love A great gift for your favorite Ya-Ya. Jill Connor Browne Three Rivers $12.00 0609804138 The Book Sense Bestseller List is copyrighted and cannot be reprinted without permission from the American Booksellers Association. For information, please contact Michael Hoynes, Marketing Officer, at: (914) 591-2665 ext. 1204, 828 Broadway, Tarrytown NY. Reprint Guidelines.   Topics: News - Books,