Edith Van Dyne was a pen name used by L. Frank Baum for various books, including the "Aunt Jane's Nieces" series. The series focuses on the adventures of three nieces—Louise Merrick, Beth De Graf, and Patsy Doyle—and their wealthy Aunt Jane, who serves as their guardian.In "Aunt Jane's Nieces Out West," the nieces and Aunt Jane venture to the western United States. The novel likely involves their experiences, adventures, and encounters as they explore the West, possibly facing challenges or solving mysteries along the way.L. Frank Baum, best known for "The Wonderful Wizard of Oz" series, used pseudonyms for different series and genres, and the "Aunt Jane's Nieces" series under the name Edith Van Dyne was one of his ventures into young adult fiction.