Houdini Exposes the Tricks Used by the Boston Medium Margery

Houdini's 1924 pamphlet on the celebrated Boston medium known as Margery, written after he sat on the Scientific American committee investigating her, with illustrations of the methods he said she used.

Harry Houdini, 1924. Complete 40-page PDF. Free to download: check out at $0 and the file arrives by email and on your order page.

This classic is in the public domain. Scans come from library copies, so expect the odd stain or stamp of an old book.