List of The New York Times number-one books of 2005
This is a list of adult non-fiction books that topped The New York Times Non-Fiction Best Seller list in 2005.
| Date | Book | Author |
|---|---|---|
| January 2 | America: The Book | Jon Stewart and The Daily Show writers |
| January 9 | America: The Book | Jon Stewart and The Daily Show writers |
| January 16 | America: The Book | Jon Stewart and The Daily Show writers |
| January 23 | Witness | Amber Frey |
| January 30 | Witness | Amber Frey |
| February 6 | Blink | Malcolm Gladwell |
| February 13 | Blink | Malcolm Gladwell |
| February 20 | Blink | Malcolm Gladwell |
| February 27 | Blink | Malcolm Gladwell |
| March 6 | Juiced | Jose Conseco |
| March 13 | Blink | Malcolm Gladwell |
| March 20 | Blood Brother | Anne Bird |
| March 27 | Blood Brother | Anne Bird |
| April 3 | A Deadly Game | Catherine Crier with Cole Thompson |
| April 10 | Blink | Malcolm Gladwell |
| April 17 | Blink | Malcolm Gladwell |
| April 24 | My Life So Far | Jane Fonda |
| May 1 | My Life So Far | Jane Fonda |
| May 8 | My Life So Far | Jane Fonda |
| May 15 | The World Is Flat | Thomas Friedman |
| May 22 | The World Is Flat | Thomas Friedman |
| May 29 | The World Is Flat | Thomas Friedman |
| June 5 | On Bullshit | Harry Frankfurt |
| June 12 | 1776 | David McCullough |
| June 19 | 1776 | David McCullough |
| June 26 | 1776 | David McCullough |
| July 3 | 1776 | David McCullough |
| July 10 | 1776 | David McCullough |
| July 17 | 1776 | David McCullough |
| July 24 | 1776 | David McCullough |
| July 31 | 1776 | David McCullough |
| August 7 | 1776 | David McCullough |
| August 14 | 1776 | David McCullough |
| August 21 | The FairTax Book | Neal Boortz and John Linder |
| August 28 | The Fairtax Book | Neal Boortz and John Linder |
| September 4 | 1776 | David McCullough |
| September 11 | 1776 | David McCullough |
| September 18 | The World Is Flat | Thomas Friedman |
| September 25 | The World Is Flat | Thomas Friedman |
| October 2 | The World Is Flat | Thomas Friedman |
| October 9 | The World Is Flat | Thomas Friedman |
| October 16 | The City of Falling Angels | John Berendt |
| October 23 | The City of Falling Angels | John Berendt |
| October 30 | The World Is Flat | Thomas Friedman |
| November 6 | The World Is Flat | Thomas Friedman |
| November 13 | The Truth (with jokes) | Al Franken |
| November 20 | Our Endangered Values | Jimmy Carter |
| November 27 | Our Endangered Values | Jimmy Carter |
| December 4 | Teacher Man | Frank McCourt |
| December 11 | Our Endangered Values | Jimmy Carter |
| December 18 | Teacher Man | Frank McCourt |
| December 25 | Teacher Man | Frank McCourt |