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Forcing Book

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A Forcing Book or Force Book is a specially printed book used in mind-reading Book Tests meant to look like an ordinary book.

Hybrid or "natural" force books are specific normal book, but have been found to have properties of a gimmicked forcing book.

Ken Driscoll booklet "Natural Force Books I" describes his Driscoll’s system for turning almost any genuine book into a Force Book.[1][2][3]


  • Ken Driscoll's booklet "Natural Force Books" (2004)

Example Force Books

  • Karl Fulve's Aftermath: Stories from the Rigel War (1976)
  • Sam Schwartz's Incredi-Book published by Karl Fulves (1983)
  • Ken Klosterman's Rising to any Occasion (1993)
  • The Shakespeare Experiment released by The Miracle Factory (2009)
  • W.P. Huntington's Cheeky Chat: A Versebook (1904)
  • William W. Durbin's New Spirit Verse Book (published by Thayer) (1919)
  • Murder By Magic, book test by Gerald Kaufman & Royal V. Heath (1933)
  • Mother Goose Mystery, by Martin Gardner (used a book titled Favorite Mother Goose Rhymes, 1941, later reprinted in 1953)
  • Richard Himber's $1,000 Challenge (Ellery Queen Mystery Magazine, Apr. 1951)
  • Cyclops Book Test, by Jack Chanin (1958)
  • Arthur Setterington's Pass the Salt (1965)
  • Anthony Raven's The Necromantic Grimoire of Augustus Rupp (1974),
  • Sam Dalal's My Favorite Verse (1976) - a collection of limericks
  • John Cornelius's The Magician's Date Book (1981).
  • Blind Man’s Bluff, a dictionary test by Ray Piatt (then a.k.a. Magic Makers, from the 1970s or 80s)
  • Ultra Magazine & Book Test by El Duco (1986)
  • Would, Could, Should force book by Penn & Teller (a supplement to their book Cruel Tricks for Dear Friends (1989))


  1. Conjuring Bibliography of “Forcing” Items
  2. “Notes on the History of Book Tests” April 2008 issue of The Linking Ring