Public domain. Cover image from Project Gutenberg ebook #70389. Two worlds for one auctore George O. Smith Detrahe .m4b · 21 MB Quomodo audiendum → · Problema cum hac recitatione? Animadversionem mitte → Recitator Walter — American Narrator (en-US) Diuturnitas 21 min Lingua English Additum November 6, 2026 Liber electronicus originalis Project Gutenberg Licentia Public domain FictionScience Fiction