The New York Times Nonfiction Best Sellers of 1973
# The New York Times Nonfiction Best Sellers of 1973

This is a list of adult nonfiction books that topped The New York Times Nonfiction Best Seller list in 1973.

| Date | Book | Author |
| - | - | - |
| January 7 | I'm OK – You're OK | Thomas A. Harris, M.D. |
| January 14 | Harry S. Truman | Margaret Truman |
| January 21 | The Best and the Brightest | David Halberstam |
| January 28 | Harry S. Truman | Margaret Truman |
| February 4 | The Best and the Brightest | David Halberstam |
| February 11 | Harry S. Truman | Margaret Truman |
| February 18 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| February 25 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| March 4 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| March 11 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| March 18 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| March 25 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| April 1 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| April 8 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| April 15 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| April 22 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| April 29 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| May 6 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| May 13 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| May 20 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| May 27 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| June 3 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| June 10 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| June 17 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| June 24 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| July 1 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| July 8 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| July 15 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| July 22 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| July 29 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| August 5 | The Joy of Sex | Alex Comfort |
| August 12 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| August 19 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| August 26 | The Joy of Sex | Alex Comfort |
| September 2 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| September 9 | Dr. Atkins' Diet Revolution | Dr. Robert Atkins |
| September 16 | The Joy of Sex | Alex Comfort |
| September 23 | The Joy of Sex | Alex Comfort |
| September 30 | The Joy of Sex | Alex Comfort |
| October 7 | The Joy of Sex | Alex Comfort |
| October 14 | How to Be Your Own Best Friend | Mildred Newman and Bernard Berkowitz with Jean Owen |
| October 21 | The Joy of Sex | Alex Comfort |
| October 28 | The Joy of Sex | Alex Comfort |
| November 4 | How to Be Your Own Best Friend | Mildred Newman and Bernard Berkowitz with Jean Owen |
| November 11 | The Joy of Sex | Alex Comfort |
| November 18 | The Joy of Sex | Alex Comfort |
| November 25 | How to Be Your Own Best Friend | Mildred Newman and Bernard Berkowitz with Jean Owen |
| December 2 | How to Be Your Own Best Friend | Mildred Newman and Bernard Berkowitz with Jean Owen |
| December 9 | Alistair Cooke's America | Alistair Cooke |
| December 16 | Alistair Cooke's America | Alistair Cooke |
| December 23 | Alistair Cooke's America | Alistair Cooke |
| December 30 | Alistair Cooke's America | Alistair Cooke |
