Mary Elizabeth Litchfield (1854-1932) aimed "to write a story simple enough for children, but not so simple as to be uninteresting to older persons [because] Viktor Rydberg's (1828-1895) researches have made it possible, for the first time, for one to form a definite conception of the cosmography of the mythology, and also because he clears away many inconsistencies that have long clung to it."
