FICTION

1. (-) Buffalo Soldier, Chris A. Bohjalian (Vintage Books; $13.95) A Caucasian couple who have lost their twins to drowning take in an African-American foster child and try to find their way to being a family.

2. (3) Mrs. Dalloway, Virginia Woolf (Harvest Books; $12) Events and circumstances of others intrude on a hostess's party preparations.

3. (2) The Da Vinci Code, Dan Brown (Doubleday; $29.95) Mysteries of the ages are revealed while a modern murder mystery unravels.

4. (10) The Wailing Wind, Tony Hillerman (Harper Mass Market Paper Backs; $7.99) Navajo cops Joe Leaphorn and Jim Chee investigate murder in the American Southwest.

5. (5) Shopaholic Ties the Knot, Sophie Kinsella (Delta; $10.95) Bride runs scared as mother and mother-in-law each plan the perfect wedding.

6. (1) The Secret Life of Bees, Sue Monk Kidd (Penguin; $14) Along with her African-American nanny, a teen flees an abusive father and confused past into the turbulence of the 1964 civil rights movement.

7. (-)The No. 1 Ladies' Detective Agency, Alexander McCall Smith (Anchor Books; $11.95) Precious Ramotswe becomes the only lady detective in Botswana.

8. (-) The Murder Book, Jonathan Kellerman (Ballantine Books; $7.99) Alex Delaware and Milo Sturgis pursue an old murder when provided with new clues.

9. (-) Cerulean Sins, Laurell K. Hamilton (Berkley Publishing Group; $22.95) Eleventh novel in the Anita Blake Vampire Hunter series.

10. (8) Atonement, Ian McEwen (Anchor Books; $14) Secrets of a 1935 English family through the eyes of a dramatic 13-year-old.

NONFICTION

1. (1) Sonya Fitzpatrick, the Pet Psychic, Sonya Fitzpatrick (Berkley Publishing Group; $21.95) Subtitled "What the Animals Tell Me."

2. (-) Windows on the World Complete Wine Course, Kevin Zraly (Sterling Publications; $24.95) Subtitled "2003 Edition: A Lively Guide."

3. (2) Mosaic of Thought, Susan Zimmerman and Ellin Oliver Keene (Heinemann, $28.50) Subtitled "Teaching Comprehension in a Reader's Workshop."

4. (3) Trading Spaces Behind the Scenes, Meredith Books (Trading Spaces; $19.95) Subtitled "Including Decorating Tips and Tricks."

5. (-) The Long Ball, Tom Adelman ( Little Brown & Company; $24.95) Subtitled "The Summer of '75 - Spaceman, Catfish, Charlie Hustle, and the Greatest World Series Ever Played"

6. (5) Stupid White Men, Michael Moore (Regan Books; $24.95) Subtitled "... and Other Sorry Excuses for the State of the Nation!"

7. (4) Dr. Atkins New Diet Revolution (Revised), Robert C. Atkins (Avon; $7.99) Low-carbohydrates, high-protein diet tome.

8. (8) Leap of Faith, Queen Noor (Miramax; $25.95) Subtitled "Memoirs of an Unexpected Life."

9. (6) Dereliction of Duty, Robert Patterson (Regnery Publishing; $27.95) "The Eyewitness Account of How Bill Clinton Endangered America's Long-Term National Security."

10. (-) Causing A Stir, The Junior League of Dayton, Ohio, Inc. (The Junior League of Dayton, Ohio, Inc.; $22.95) Subtitled "Fabulous Food to Get People Talking."

Participants: Books & Co. and Joseph-Beth Booksellers. Based on sales ending week of April 7. (-) indicates a book was not on the list the previous week.