Aunt Jane's Nieces Series is a collection of ten novels designed for young adolescent girls written under the pseudonym Edith Van Dyne. Jane Merrick is a wealthy, elderly, difficult invalid woman who is preparing for her approaching death. In her youth, she inherited her money and estate from her fiancé, Thomas Bradley, who died before their wedding took place. With no children of her own, she calls for her three teenaged nieces to visit her, so she can decide who will inherit her estate....
The Mary Louise Series is a collection of four novels concerned with adolescent girl detectives written under the pseudonym Edith Van Dyne. The series began with Mary Louise, originally written as a tribute to Baum's favorite sister, Mary Louise Baum Brewster. She is a fifteen-year-old girl with unusual maturity (though the other girls in her boarding school find her somewhat priggish). She is suddenly confronted with the fact that her beloved grandfather is suspected of no less a crime...