1913 – 2003
Margaret Goff Clark (1913–2003) was an American author of children's books. She is best known for her book Freedom Crossing. -Wikipedia
Freedom Crossing
1969
Mystery in the flooded museum
1978
Who stole Kathy Young?
1980
Mystery of Sebastian Island
1976
Danger at Niagara
1968
The latchkey mystery
1985
Mystery horse
1974
The mystery of Seneca Hill
1961
Mystery of the Marble Zoo
1964
Mystery of the missing stamps
1967
The boy from the UFO returns
1981
Barney on Mars
1983
Adirondack Mountain mystery
1966
Barney in space
1981
Benjamin Banneker, astronomer and scientist
1971
The Boy from the UFO
1981
The endangered Florida panther
1993
John Muir, friend of nature
1974
Mystery at Star Lake
1965
The mystery of the buried Indian mask
1962
The mystery of the talking tail
1997
