The New York Times Fiction Best Sellers of 1978
# The New York Times Fiction Best Sellers of 1978

This is a list of adult fiction books that topped The New York Times Fiction Best Seller list in 1978.

| Date | Book | Author |
| - | - | - |
| January 1 | The Silmarillion | J. R. R. Tolkien |
| January 8 | The Silmarillion | J. R. R. Tolkien |
| January 15 | The Silmarillion | J. R. R. Tolkien |
| January 22 | The Silmarillion | J. R. R. Tolkien |
| January 29 | The Silmarillion | J. R. R. Tolkien |
| February 5 | The Silmarillion | J. R. R. Tolkien |
| February 12 | The Silmarillion | J. R. R. Tolkien |
| February 19 | The Silmarillion | J. R. R. Tolkien |
| February 26 | The Silmarillion | J. R. R. Tolkien |
| March 5 | The Silmarillion | J. R. R. Tolkien |
| March 12 | Bloodline | Sidney Sheldon |
| March 19 | Bloodline | Sidney Sheldon |
| March 26 | Bloodline | Sidney Sheldon |
| April 2 | Bloodline | Sidney Sheldon |
| April 9 | Bloodline | Sidney Sheldon |
| April 16 | Bloodline | Sidney Sheldon |
| April 23 | Bloodline | Sidney Sheldon |
| April 30 | Bloodline | Sidney Sheldon |
| May 7 | Bloodline | Sidney Sheldon |
| May 14 | Bloodline | Sidney Sheldon |
| May 21 | Bloodline | Sidney Sheldon |
| May 28 | Bloodline | Sidney Sheldon |
| June 4 | The Thorn Birds | Colleen McCullough |
| June 11 | Bloodline | Sidney Sheldon |
| June 18 | Scruples | Judith Krantz |
| June 25 | Scruples | Judith Krantz |
| July 2 | Scruples | Judith Krantz |
| July 9 | The Holcroft Covenant | Robert Ludlum |
| July 16 | Scruples | Judith Krantz |
| July 23 | Chesapeake | James Michener |
| July 30 | Chesapeake | James Michener |
| August 6 | Chesapeake | James Michener |
| August 13 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| August 20 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| August 27 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| September 3 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| September 10 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| September 17 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| September 24 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| October 1 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| October 8 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| October 15 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| October 22 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| October 29 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| November 5 | Not published due to 1978 New York City newspaper strike | Not published due to 1978 New York City newspaper strike |
| November 12 | War and Remembrance | Herman Wouk |
| November 19 | War and Remembrance | Herman Wouk |
| November 26 | War and Remembrance | Herman Wouk |
| December 3 | War and Remembrance | Herman Wouk |
| December 10 | War and Remembrance | Herman Wouk |
| December 17 | War and Remembrance | Herman Wouk |
| December 24 | Chesapeake | James Michener |
| December 31 | Chesapeake | James Michener |
