Cover Page -- 1. Two Gentlemen Return -- 2. Craigie and Others -- 3. Who was the Lady? -- 4. Out of the Darkness -- 5. The Professor's Papers -- 6. Jeremiah Warncliffe -- 7. More Mystery -- 8. Darkness Again -- 9. By Messenger -- 10. The Pace...
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Cover Page -- 1. Two Gentlemen Return -- 2. Craigie and Others -- 3. Who was the Lady? -- 4. Out of the Darkness -- 5. The Professor's Papers -- 6. Jeremiah Warncliffe -- 7. More Mystery -- 8. Darkness Again -- 9. By Messenger -- 10. The Pace Quickens -- 11. Hold up -- 12. Battle by Night -- 13. Triumph for Forster -- 14. Says Mark -- 15. The Hush Hush Department -- 16. Re enter Warncliffe -- 17. More Action in Bournemouth -- 18. Versus the Syndicate -- 19. Where is the Professor? -- 20. 'David Among Nations' -- 21. The Syndicate of Power -- Sample: The Island of Peril -- Also in this Series -- Copyright -- Contents.