Originally published in 1916, first of the 'Bluebird' novels, written by Frank Baum, author of the Oz books, under the name of Edith Van Dyne. According to Wikipedia: 'The Bluebird Books is a series of novels popular with teenage girls in the 1910s and 1920s. The series was begun by L. Frank Baum using his Edith Van Dyne pseudonym. Baum wrote the first four books in the series, possibly with help from his son, Harry Neal Baum, on the third. The fifth book is based on a fragment by Baum and wr