In what year was the first book in the Han Solo Trilogy released?
1997
1977
1977
1977
1977
1977
1977
1977
1977
1977
1977
1977
1983
1977
1983
1977
1983
1977
1983
1977
1983
1977
1983
1977
1983
1977
1980
1983
1977
1980
1983
1977
1978
1980
1983
1976
1978
1980
1982
1983
1976
1978
1980
1982
1983
1976
1981
1978
1980
1982
1983
1976
1979
1981
1978
1980
1982
1983
1976
1979
1981
1978
1980
1982
1983
1976
1979
1981
1978
1980
1982
1984
1983
1976
1979
1981
1978
1980
1982
1984
1983
1976
1979
1981
1978
1980
1982
1984
1983
1976
1979
1981
1978
1980
1982
1984
1983
1976
1979
1981
1978
1980
1982
1984
1983
1976
1979
1981
1978
1980
1982
1984
1976
1979
1981
1978
1980
1982
1984
1975
1976
1979
1981
1978
1980
1982
1984
1975
1976
1979
1981
1978
1980
1982
1984
1975
1976
1979
1981
1978
1980
1982
1984
1975
1976
1997
1979
1981
1978
1980
1982
1984
1985
1975
1976
1997
1979
1981
1978
1980
1982
1984
1985
1975
1976
1997
1979
1981
1978
1999
1982
1984
1985
1975
1976
1997
1979
1987
1981
1978
1999
1982
1984
1985
1975
1976
1997
1979
1987
1981
1999
1982
1984
1985
1975
1997
1979
1996
1987
1981
1999