 As with all the previous books in the series, "Aunt Jane's Nieces in the Red Cross" was released under the pen name "Edith Van Dyne," one of Baum's various pseudonyms.The book is noteworthy in Baum's canon for its expression of his views and feelings on World War I.The book was furnished with an introductory note by "Edith Van Dyne," an unusual though not unprecedented step for books in the series.