When did the author of the first Harry Potter book release it?
june 26 1997
1990
1990
1990
1990
1991
1990
1977
1991
1990
1977
1991
1990
1971
1977
1991
1987
1990
1971
1977
1991
1987
1990
1971
1977
1991
1987
1996
2001
1990
1997
1971
1977
1991
1987
1992
1996
2001
1990
1997
1971
1995
1977
1991
1987
1992
1996
2001
1990
1997
1978
1971
1976
1995
1977
1991
1987
1992
1996
1939
2001
1990
1997
1978
1971
1976
1993
1995
1977
1991
1987
1992
1996
1907
2001
1902
1981
1990
1997
1978
1971
1976
1993
1995
1970
1977
1991
1987
1992
1996
2001
1989
1981
1990
1997
1978
1971
1976
1986
1993
1995
1970
1977
1991
1987
1905
1992
1996
2000
2001
1989
1998
1981
1990
1997
1978
1971
1994
1976
1986
1993
1995
1970
1977
1991
1987
1908
1992
1996
2000
2001
1989
1998
1981
1990
1997
1978
1971
1994
1976
1986
1993
1995
1970
1904
1977
1973
1974
1991
1987
1992
1996
2000
2001
1989
1998
1983
1912
1981
1990
1997
1978
1971
1994
1976
1975
1986
1993
1995
1970
2005
1977
1973
1974
1991
1987
1992
1996
2000
2001
1989
1998
1983
1981
1990
1931
1903
1923
1990.
1990s
1991.
1987.
1990s
1977.
1995.
1990s
2001.
1996.
1990.
1990s
1991.