A version of this list appears in the October 21, 2012 issue of The New York Times Book Review. Rankings reflect sales for the week ending October 6, 2012.
1. REFLECTED IN YOU, by Sylvia Day. (Penguin Group.) Eva and Gideon, of “Bared to You,” continue to struggle to make their relationship work.
2. THE CASUAL VACANCY, by J. K. Rowling. (Little, Brown & Company.) The sudden death of a parish councilman reveals bitter social divisions in an idyllic English town; a novel for adults by the creator of Harry Potter.
3. MAD RIVER, by John Sandford. (Penguin Group.) Virgil Flowers joins the hunt for a teenage Bonnie and Clyde.
4. FIFTY SHADES OF GREY, by E. L. James. (Knopf Doubleday Publishing.) A college student falls in love with a tortured man with particular sexual tastes; the first of a trilogy.
5. FIFTY SHADES DARKER, by E. L. James. (Knopf Doubleday Publishing.) Daunted by Christian’s dark secrets, Ana Steele ends their relationship, but desire still dominates her every thought; the second book in a trilogy.
6. FIFTY SHADES FREED, by E. L. James. (Knopf Doubleday Publishing.) The final book in an erotic trilogy.
7. GONE GIRL, by Gillian Flynn. (Crown Publishing.) A woman disappears on the day of her fifth anniversary; is her husband a killer?
8. WINTER OF THE WORLD, by Ken Follett. (Penguin Group.) n Book 2 of the Century trilogy, members of five interrelated families from five countries grapple with the tumultuous historical events of the years 1939-49.
9. DARK STORM, by Christine Feehan. (Berkley Books.) In the 23rd book in the Dark series, the Carpathian Dax fights a vampire and meets his life mate.
10. BARED TO YOU, by Sylvia Day. (Penguin Group.) Two troubled people develop an intense, obsessive relationship.
11. A WANTED MAN, by Lee Child. (Random House Publishing.) A carload of people involved in a conspiracy pick up a disheveled hitchhiker, Child’s vigilante hero Jack Reacher.
12. DOWN TO YOU, by M. Leighton. (M. Leighton.) The life of a college student, home to help her father run his business, is turned upside down when she falls in love with twins.
13.LIVE BY NIGHT, by Dennis Lehane. (HarperCollins Publishers.) A South Boston punk becomes a Florida crime boss.
14. PHANTOM, by Jo NesbÃ¸. (Knopf Doubleday Publishing.) The Oslo detective Harry Hole returns after three years away to find the social fabric in tatters.
15. WOOL OMNIBUS EDITION, by Hugh Howey. (Broad Reach Publishing.) Contains the five Wool science fiction books about people who live underground in a dystopian world.
THE TIME KEEPER, by Mitch Albom (Hyperion Press)
LOW PRESSURE, by Sandra Brown (Grand Central Publishing)
FALL OF GIANTS, by Ken Follett (Penguin Group)
CLOUD ATLAS, by David Mitchell (Random House Publishing)
ZOO, by James Patterson and Michael Ledwidge (Little, Brown & Company)
THE MARRIAGE TRAP, by Jennifer Probst (Simon & Schuster)
DELUSION IN DEATH, by J.D. Robb (Penguin Group)
THE LIGHT BETWEEN OCEANS, by M. L. Stedman (Scribner)
SEVERE CLEAR, by Stuart Woods (Penguin Group)
KEEPING FAITH, by Jodi Picoult (HarperCollins Publishers)
DEATH'S RIVAL, by Faith Hunter (Penguin Group)
MATE CLAIMED, by Jennifer Ashley (Penguin Group)
REV IT UP, by Julie Ann Walker (Sourcebooks)
THE GUARDIAN, by Nicholas Sparks (Grand Central Publishing)
ROOM, by Emma Donoghue (Little, Brown & Company)
THIS IS HOW YOU LOSE HER, by Junot Díaz (Penguin Group)
THIS BOOK IS FULL OF SPIDERS, by David Wong (St. Martin's Press)
WRONG BED, RIGHT GUY, by Katee Robert (Entangled Publishing)
THE LADY RISKS ALL, by Stephanie Laurens (HarperCollins Publishers)
FULL DISCLOSURE, by Dee Henderson (Bethany House Publishers)