Public domain. Cover image from Project Gutenberg ebook #71780. Direct methods by Thomson Burtis Chapters (6) 1 DIRECT METHODS 0:002 II 19:073 III 28:244 IV 34:315 V 48:416 VI 1:14:27 Download .m4b · 87 MB How to listen → · Problem with this narration? Let us know → Narrator Arthur — English RP Narrator (en-GB) Length 1 hr 26 min Language English Added November 5, 2026 Source ebook Project Gutenberg License Public domain AdventureFictionMystery