Public domain. Cover image from Project Gutenberg ebook #63109. Doctor Universe auctore Carl Jacobi Detrahe .m4b · 36 MB Quomodo audiendum → · Problema cum hac recitatione? Animadversionem mitte → Recitator Arthur — English RP Narrator (en-GB) Diuturnitas 36 min Lingua English Additum November 14, 2026 Liber electronicus originalis Project Gutenberg Licentia Public domain AdventureComedyScience Fiction