# List of The New York Times number-one books of 2015

The American daily newspaper The New York Times publishes multiple weekly lists ranking the best-selling books in the United States. The lists are split in three genres—fiction, nonfiction and children's books. Both the fiction and nonfiction lists are further split into multiple lists.

## Fiction

The following list ranks the number-one best-selling fiction books, in the combined print and e-books category. The most frequent weekly best seller was The Girl on the Train by Paula Hawkins with 16 weeks at the top of the list.
| Date | Book | Author |
| January 4 | Gray Mountain | John Grisham |
| January 11 | Gone Girl | Gillian Flynn |
| January 18 | All the Light We Cannot See | Anthony Doerr |
| January 25 | All the Light We Cannot See | Anthony Doerr |
| February 1 | The Girl on the Train | Paula Hawkins |
| February 8 | The Girl on the Train | Paula Hawkins |
| February 15 | The Girl on the Train | Paula Hawkins |
| February 22 | The Girl on the Train | Paula Hawkins |
| March 1 | The Girl on the Train | Paula Hawkins |
| March 8 | The Girl on the Train | Paula Hawkins |
| March 15 | The Girl on the Train | Paula Hawkins |
| March 22 | The Girl on the Train | Paula Hawkins |
| March 29 | The Girl on the Train | Paula Hawkins |
| April 5 | The Girl on the Train | Paula Hawkins |
| April 12 | The Girl on the Train | Paula Hawkins |
| April 19 | The Girl on the Train | Paula Hawkins |
| April 26 | The Girl on the Train | Paula Hawkins |
| May 3 | The Liar | Nora Roberts |
| May 10 | Memory Man | David Baldacci |
| May 17 | Gathering Prey | John Sandford |
| May 24 | 14th Deadly Sin | James Patterson |
| May 31 | The Girl on the Train | Paula Hawkins |
| June 7 | The Girl on the Train | Paula Hawkins |
| June 14 | Radiant Angel | Nelson DeMille |
| June 21 | Finders Keepers | Stephen King |
| June 28 | The Girl on the Train | Paula Hawkins |
| July 5 | Grey | E. L. James |
| July 12 | Grey | E. L. James |
| July 19 | Grey | E. L. James |
| July 26 | Grey | E. L. James |
| August 2 | Go Set a Watchman | Harper Lee |
| August 9 | Go Set a Watchman | Harper Lee |
| August 16 | Go Set a Watchman | Harper Lee |
| August 23 | Alert | James Patterson and Michael Ledwidge |
| August 30 | Go Set a Watchman | Harper Lee |
| September 6 | Friction | Sandra Brown |
| September 13 | X | Sue Grafton |
| September 20 | The Girl in the Spider's Web | David Lagercrantz |
| September 27 | Make Me | Lee Child |
| October 4 | The Martian | Andy Weir |
| October 11 | The Martian | Andy Weir |
| October 18 | The Martian | Andy Weir |
| October 25 | The Survivor | Vince Flynn and Kyle Mills |
| November 1 | See Me | Nicholas Sparks |
| November 8 | Rogue Lawyer | John Grisham |
| November 15 | Rogue Lawyer | John Grisham |
| November 22 | The Crossing | Michael Connelly |
| November 29 | Rogue Lawyer | John Grisham |
| December 6 | Tricky Twenty-Two | Janet Evanovich |
| December 13 | Cross Justice | James Patterson |
| December 20 | The Nightingale | Kristin Hannah |
| December 27 | Rogue Lawyer | John Grisham |

## Nonfiction

The following list ranks the number-one best-selling nonfiction books, in the combined print and e-books category. The most frequent weekly best sellers of the year were American Sniper and Killing Reagan.
| Date | Book | Author | Publisher |
| January 4 | Unbroken | Laura Hillenbrand | Random House |
| January 11 | Unbroken | Laura Hillenbrand | Random House |
| January 18 | Unbroken | Laura Hillenbrand | Random House |
| January 25 | Unbroken | Laura Hillenbrand | Random House |
| February 1 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| February 8 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| February 15 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| February 22 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| March 1 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| March 8 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| March 15 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| March 22 | American Sniper | Chris Kyle with Scott McEwen and Jim DeFelice | Morrow/HarperCollins |
| March 29 | Dead Wake | Erik Larson | Crown |
| April 5 | Dead Wake | Erik Larson | Crown |
| April 12 | Becoming Steve Jobs | Brent Schlender and Rick Tetzeli | Crown |
| April 19 | Dead Wake | Erik Larson | Crown |
| April 26 | The Residence | Kate Andersen Brower | Harper |
| May 3 | The Road to Character | David Brooks | Random House |
| May 10 | And the Good News Is... | Dana Perino | Twelve |
| May 17 | Hope | Amanda Berry and Gina DeJesus | Viking |
| May 24 | The Wright Brothers | David McCullough | Simon & Schuster |
| May 31 | The Wright Brothers | David McCullough | Simon & Schuster |
| June 7 | The Wright Brothers | David McCullough | Simon & Schuster |
| June 14 | The Wright Brothers | David McCullough | Simon & Schuster |
| June 21 | The Wright Brothers | David McCullough | Simon & Schuster |
| June 28 | The Wright Brothers | David McCullough | Simon & Schuster |
| July 5 | The Wright Brothers | David McCullough | Simon & Schuster |
| July 12 | Down the Rabbit Hole | Holly Madison | Dey Street |
| July 19 | Down the Rabbit Hole | Holly Madison | Dey Street |
| July 26 | Down the Rabbit Hole | Holly Madison | Dey Street |
| August 2 | Between the World and Me | Ta-Nehisi Coates | Spiegel & Grau |
| August 9 | Between the World and Me | Ta-Nehisi Coates | Spiegel & Grau |
| August 16 | Between the World and Me | Ta-Nehisi Coates | Spiegel & Grau |
| August 23 | Plunder and Deceit | Mark Levin | Threshold Editions |
| August 30 | Plunder and Deceit | Mark Levin | Threshold Editions |
| September 6 | It Is About Islam | Glenn Beck | Threshold Editions/Mercury Radio Arts |
| September 13 | It Is About Islam | Glenn Beck | Threshold Editions/Mercury Radio Arts |
| September 20 | A Walk in the Woods | Bill Bryson | Broadway |
| September 27 | A Walk in the Woods | Bill Bryson | Broadway |
| October 4 | Why Not Me? | Mindy Kaling | Crown |
| October 11 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| October 18 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| October 25 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| November 1 | Humans of New York: Stories | Brandon Stanton | St. Martin's |
| November 8 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| November 15 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| November 22 | Troublemaker | Leah Remini and Rebecca Paley | Ballantine |
| November 29 | Troublemaker | Leah Remini and Rebecca Paley | Ballantine |
| December 6 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| December 13 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |
| December 20 | Humans of New York: Stories | Brandon Stanton | St. Martin's Press |
| December 27 | Killing Reagan | Bill O'Reilly and Martin Dugard | Holt |