In classic book tests, a spectator turns to any page in a book and selects a word or sentence, and the magician can name the word or offer an impression of what's in the sentence. It's a traditional and powerful mentalism effect. If you're interested in performing a book test, here are some resources.
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 Taylor Made Book Test by David Taylor |  Double Coincidence by Devin Knight and Al Mann |  No Camera Tricks by Richard Osterlind |  Houdini Book Test |
- Graphic Index
- Text Index