Public domain. Cover image from Project Gutenberg ebook #64723. In the Sphere of Time auctore Ray Palmer Detrahe .m4b · 76 MB Quomodo audiendum → · Problema cum hac recitatione? Animadversionem mitte → Recitator Arthur — English RP Narrator (en-GB) Diuturnitas 1 hr 16 min Lingua English Additum November 13, 2026 Liber electronicus originalis Project Gutenberg Licentia Public domain AdventureScience Fiction