National bestsellers: April 21

1. SILVER BORNE, by Patricia Briggs. (Ace, $24.95.) In the fifth book starring Mercy Thompson, a shapeshifter and auto mechanic in Washington state, Mercy works on her relationship with the leader of the werewolf pack and helps a suicidal friend.

2. THE HELP, by Kathryn Stockett. (Amy Einhorn/Putnam, $24.95.) A young white woman and two black maids in 1960s Mississippi.

3. CAUGHT, by Harlan Coben. (Dutton, $27.95.) When a suburban girl is reported missing, her parents and her community, as well as a reporter and a social worker, are drawn into the search.

4. DECEPTION, by Jonathan Kellerman. (Ballantine, $28.) Los Angeles psychologist/detective Alex Delaware collaborates with detective Milo Sturgis to help solve a murder at a prep school.

5. HOUSE RULES, by Jodi Picoult. (Atria, $28.) A teenage boy with Asperger's syndrome is accused of murder.

6. SOLAR, by Ian McEwan. (Nan A. Talese/Doubleday, $26.95.) A Nobel Prize-winning physicist past his prime manages, through greed and dishonesty, to reinvent his career, punish his cheating wife and save the world from global warming; from the author of "Atonement."

7. THE SILENT SEA, by Clive Cussler and Jack Du Brul. (Putnam, $27.95.) Juan Cabrillo and the crew of the Oregon make discoveries that lead back to an ancient Chinese expedition.

9.(x) BITE ME, by Christopher Moore. (Morrow/HarperCollins, $23.99.) Saving San Francisco from a vampyre cat.

10. MATTERHORN, by Karl Marlantes. (El Leon Literary Arts/Atlantic Monthly, $24.95.) Marines in Vietnam in 1969.

1. THE BIG SHORT, by Michael Lewis. (Norton, $27.95.) The people who saw the real estate crash coming and made billions from their foresight.

2. CHELSEA CHELSEA BANG BANG, by Chelsea Handler. (Grand Central, $25.99.) More humorous personal essays from the comedian.

3. THE PACIFIC, by Hugh Ambrose. (NAL Caliber, $26.95.) Stories of Marines and a Navy pilot during World War II; companion volume for an HBO miniseries.

5. MOUNT PLEASANT, by Steve Poizner. (Portfolio, $25.95.) A technology entrepreneur spends a year teaching 12th grade at a public high school and is changed by the experience.

6. CHANGE YOUR BRAIN, CHANGE YOUR BODY, by Daniel G. Amen. (Harmony, $25.99.) Using the brain-body connection to lose weight and avoid depression.

7. NO APOLOGY, by Mitt Romney. (St. Martin's, $25.99.) The former Massachusetts governor and Republican presidential candidate calls for economic and civic revitalization. (b)

8. GAME CHANGE, by John Heilemann and Mark Halperin. (Harper/HarperCollins, $27.99.) Behind the scenes of the 2008 election.

9. THE IMMORTAL LIFE OF HENRIETTA LACKS, by Rebecca Skloot. (Crown, $26.) The story of the woman whose cancer cells were cultured without her permission in 1951.

1. GIADA AT HOME, by Giada De Laurentiis. (Clarkson Potter, $35.) The Food Network star offers family recipes from Italy and California.

2. WOMEN, FOOD AND GOD, by Geneen Roth. (Scribner, $24.) How women can free themselves from the tyranny of fear and hopelessness surrounding their bodies.

3. RAQUEL, by Raquel Welch. (Weinstein, $26.95.) A book full of practical advice for women of all ages, from the film star.

4. JAMIE'S FOOD REVOLUTION, by Jamie Oliver. (Hyperion, $35.) A foundational repertory of simple, affordable meals.

5. THE KIND DIET, by Alicia Silverstone. (Rodale, $29.99.) The actress' recipes and insights for going meat- and dairy-free.