This is a list of books that topped The New York Times best-seller list in 1970.
The following list ranks the number-one best-selling fiction books.[1]
| Date | Book | Author |
|---|---|---|
| January 4 | The Godfather | Mario Puzo |
| January 11 | ||
| January 18 | ||
| January 25 | ||
| February 1 | ||
| February 8 | The French Lieutenant's Woman | John Fowles |
| February 15 | The Godfather | Mario Puzo |
| February 22 | The French Lieutenant's Woman | John Fowles |
| March 1 | ||
| March 8 | ||
| March 15 | ||
| March 22 | ||
| March 29 | ||
| April 5 | ||
| April 12 | ||
| April 19 | ||
| April 26 | ||
| May 3 | ||
| May 10 | Love Story | Erich Segal |
| May 17 | ||
| May 24 | ||
| May 31 | ||
| June 7 | ||
| June 14 | ||
| June 21 | ||
| June 28 | ||
| July 5 | ||
| July 12 | ||
| July 19 | ||
| July 26 | ||
| August 2 | ||
| August 9 | ||
| August 16 | ||
| August 23 | ||
| August 30 | ||
| September 6 | ||
| September 13 | ||
| September 20 | ||
| September 27 | ||
| October 4 | ||
| October 11 | ||
| October 18 | ||
| October 25 | ||
| November 1 | ||
| November 8 | ||
| November 15 | ||
| November 22 | ||
| November 29 | ||
| December 6 | ||
| December 13 | ||
| December 20 | ||
| December 27 |
The following list ranks the number-one best-selling nonfiction books.[2]
| Date | Book | Author |
|---|---|---|
| January 4 | The Selling of the President 1968 | Joe McGinniss |
| January 11 | ||
| January 18 | ||
| January 25 | ||
| February 1 | ||
| February 8 | ||
| February 15 | ||
| February 22 | ||
| March 1 | Everything You Always Wanted to Know About Sex* (*But Were Afraid to Ask) | David Reuben |
| March 8 | ||
| March 15 | ||
| March 22 | ||
| March 29 | ||
| April 5 | ||
| April 12 | ||
| April 19 | ||
| April 26 | ||
| April 29 | ||
| May 3 | Up the Organization | Robert Townsend |
| May 10 | ||
| May 17 | ||
| May 24 | ||
| May 31 | ||
| June 7 | ||
| June 14 | Everything You Always Wanted to Know About Sex* (*But Were Afraid to Ask) | David Reuben |
| June 21 | ||
| June 28 | ||
| July 5 | ||
| July 12 | Up the Organization | Robert Townsend |
| July 19 | Everything You Always Wanted to Know About Sex* (*But Were Afraid to Ask) | David Reuben |
| July 26 | ||
| August 2 | ||
| August 9 | ||
| August 16 | ||
| August 23 | ||
| August 30 | ||
| September 6 | ||
| September 13 | ||
| September 20 | The Sensuous Woman | "J" (Joan Garrity) |
| September 27 | ||
| October 4 | Everything You Always Wanted to Know About Sex* (*But Were Afraid to Ask) | David Reuben |
| October 11 | ||
| October 18 | ||
| October 25 | The Sensuous Woman | "J" (Joan Garrity) |
| November 1 | ||
| November 8 | ||
| November 15 | ||
| November 22 | ||
| November 29 | ||
| December 6 | ||
| December 13 | ||
| December 20 | ||
| December 27 | The Greening of America | Charles A. Reich |