Extended Hardcover Fiction Based on sales from the week ending April 15, 2007. 16. The Book of Air and Shadows Michael Gruber, Morrow, $24.95, 9780060874469 17. The Quilter's Homecoming Jennifer Chiaverini, S&S, $24, 9780743260220 18. The Sun Over Breda Arturo Perez-Reverte, Putnam, $24.95, 9780399153839 19. Heart-Shaped Box Joe Hill, Morrow, $24.95, 9780061147937 20. Body of Lies David Ignatius, Norton, $24.95, 9780393065039 21. Coal Black Horse Robert Olmstead, Algonquin, $23.95, 9781565125216 22. Christine Falls Benjamin Black, Holt, $25, 9780805081527 23. Step on a Crack James Patterson, Michael Ledwidge, Little Brown, $27.99, 9780316013949 24. Ten Days in the Hills Jane Smiley, Knopf, $26, 9781400040612 25. Shopaholic and Baby Sophie Kinsella, Dial, $24, 9780385338707 26. Then We Came to the End Joshua Ferris, Little Brown, $23.99, 9780316016384 27. Thirst Mary Oliver, Beacon, $22, 9780807068960 28. For One More Day Mitch Albom, Hyperion, $21.95, 9781401303273 29. You Suck Christopher Moore, Morrow, $21.95, 9780060590291 30. April in Paris Michael Wallner, Nan A. Talese, $21.95, 9780385519144 31. The Raw Shark Texts Steven Hall, Canongate, $24, 9781841959115 32. The Boleyn Inheritance Philippa Gregory, Touchstone, $25.95, 9780743272506 33. The Land of Mango Sunsets Dorothea Benton Frank, Morrow, $24.95, 9780060892388 34. The Watchman Robert Crais, S&S, $25.95, 9780743281638 35. The Alibi Man Tami Hoag, Bantam, $26, 9780553802016 36. Miss Julia Strikes Back Ann B. Ross, Viking, $24.95, 9780670038411 37. The Alexandria Link Steve Berry, Ballantine, $25.95, 9780345485755 38. The Thirteenth Tale Diane Setterfield, Atria, $26, 9780743298025 39. Heyday Kurt Andersen, Random House, $26.95, 9780375504730 40. The Reluctant Fundamentalist Mohsin Hamid, Harcourt, $22, 9780151013043 41. You Don't Love Me Yet Jonathan Lethem, Doubleday, $24.95, 9780385512183 42. Murder on the Ile Saint-Louis Cara Black, Soho Crime, $23, 9781569474440 43. Tallgrass Sandra Dallas, St. Martin's, $23.95, 9780312360191 44. Hunter's Moon Randy Wayne White, Putnam, $24.95, 9780399153709 45. We Shall Not Sleep Anne Perry, Ballantine, $21.95, 9780345456601 46. Exile Richard North Patterson, Holt, $26, 9780805079470 47. White Night Jim Butcher, Roc, $23.95, 9780451461407 48. Daddy's Girl Lisa Scottoline, HarperCollins, $25.95, 9780060833145 49. Returning to Earth Jim Harrison, Grove, $24, 9780802118387 50. Suite Francaise Irene Nemirovsky, Knopf, $25, 9781400044733 The Book Sense Bestseller List is copyrighted and cannot be reprinted without permission from the American Booksellers Association. For information on obtaining permission, contact Meg Smith, Associate Director, Book Sense Marketing, ABA, 828 South Broadway, Tarrytown, NY 10591, call (914) 591-2665, ext. 1239. Reprint Guidelines.