Houdini writes about the famous mediums in his time. Names like Palladino and Ann O'Delia Diss Debar should ring a bell. He also elaborates on his exchanges with Sir Arthur Conan Doyle who was a firm believer in spirits and paranormal phenomena.

1st edition, 1924, Harper & Row, New York; reprint 1972, Arno Press, New York; 296 pages.

11. Introduction
12. Preface
13. I. The Founders of Modern Spiritualism
14. II. The Davenport Brothers
15. III. Daniel Dunglas Home
16. IV. Palladino
17. V. Ann O'Delia Diss Debar
18. VI. Dr. Slade and His Spirit Slates
19. VII. Slate Writing and Other Methods
20. VIII. Spirit Photography
21. IX. Sir Arthur Conan Doyle
22. X. Why Ectoplasm?
23. XI. By-Products of Spiritualism
24. XII. Investigations - Wise and Otherwise
25. XIII. How Mediums Obtain Information
26. XIV. What You Must Believe to Be a Spiritualist
27. XV. Magicians as Detectors of Fraud
28. XVI. Conclusion
29. Appendix
30. Photos

word count: 94976 which is equivalent to 379 standard pages of text