Aunt Jane's Nieces at Work

Aunt Jane's Nieces at Work is a young-adult novel by L. Frank Baum, written under the pen name Edith Van Dyne and the fourth book in the Aunt Jane's series. Kenneth Forbes, the young man who inherited Aunt Jane's estate in the first book of the series has become involved in politics and he is running for a seat in the New York State legislature so the family decides to go all out to help Kenneth win the election.
L. Frank Baum was an author of children's books, best known for writing The Wonderful Wizard of Oz. He wrote 55 novels in total, plus four "lost" novels, 83 short stories, over 200 poems, and more.