When was the first book of the Dune series published?
1965
1977
1977
1978
1977
1978
1975
1977
1978
1975
1977
1978
1975
1977
1978
1976
1975
1977
1978
1976
1975
1977
1973
1978
1976
1975
1977
1973
1981
1978
1976
1975
1984
1977
1973
1974
1981
1978
1976
1975
1972
1984
1977
1973
1974
1981
1978
1976
1975
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1982
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1982
1971
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1982
1971
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1982
1971
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1982
1971
1965
1972
1984
1977
1973
1974
1981
1978
1976
1975
1979
1982
1971
1965
1972
1984
1977
1970
1980
1973
1974
1981
1978
1976
1975
1979
1982
1971
1965
1972
1984
1977
1970
1980
1973
1974
1997
1981
1978
1996
1976
1975
1979
1982
1971
1965
1972
1984
1970
1980
1973
1974
1997
1981
1978
1996
1976
1975
1979
1982
1971
1965
1972
1984
1970
1980
1973
1974
1997
1981
1996
1976
1975
1979
1982
1971
1965
1983
1972
1984
1970
1980
1973