Margaret Sutton, best mystery novels

Margaret Sutton (January 22, 1903 - June 21, 2001) was the pen name of Rachel Beebe, an American author and teacher who is famous as being the author of the Judy Bolton Series of mystery books, 38 volumes published between 1932 and 1967. In addition to this series, she also wrote the Gail Gardner series, The Magic Maker series, as well as several other books. In this book: The haunted fontaine The Yellow Phantom The Puzzle in the Pond