Public domain. Cover image from Project Gutenberg ebook #69532. What luck! A study in opposites by Abbie Farwell Brown Download .m4b · 24 MB How to listen → · Problem with this narration? Let us know → Narrator Grace — American Narrator (en-US) Length 24 min Language English Added November 6, 2026 Source ebook Project Gutenberg License Public domain Children’sFiction