These books reached the level of popularity to make them the Number 1 bestselling book for each year from 1970 to 1979. These books can be easily found at used book stores, garage sales, estate sales, flea markets, and your favorite website selling used books. List was compiled from Publisher’s Weekly magazine lists for these years.
1970 – Love Story by Erich Segal
1971 – Wheels by Arthur Hailey
1972 – Jonathan Livingston Seagull by Richard Bach
1973 – Jonathan Livingston Seagull by Richard Bach
1974 – Centennial by James A. Michener
1975 – Ragtime by E. L. Doctorow
1976 – Trinity by Leon Uris
1977 – The Silmarillion by J. R. R. Tolkien and Christopher Tolkien
1978 – Chesapeake by James A. Michener
1979 – The Matarese Circle by Robert Ludlum