Billet reading

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Billet reading, or the envelope trick, is a mentalist effect in which a performer pretends to use clairvoyance to read messages on folded papers or inside sealed envelopes. It is a widely performed "standard" of the mentalist craft since the middle of the 19th century. Billet is the French term for note or letter, referring to the rectangular shape of the paper.


The mentalist provides paper, pencils and envelopes to the audience, who are asked to write statements on the paper and then seal them in the envelopes. The envelopes are then collected and handed to the mentalist. The mentalist takes the first envelope and magically examines it, typically by holding it to their forehead. After concentrating, they announce what is written on the paper. The envelope is then opened to check that they have read it correctly. The mentalist then selects the next envelope and proceeds to mind-read the contents of the rest, one by one.


Billet reading has been a popular trick for mentalists and mediums and spiritualists. It was one of the main acts that brought fame to Charles H. Foster, an American medium who popularized a version using folded slips some time in the 1850s or 60s. In the 1870s he was joined for a time by Bert Reese, who further popularized it. Annemann talks about several of Reese's variations on the theme in his book Practical Mental Magic.[1] Reese's work became well known, and was the subject of several explanatory full-page articles in The New York Times.[2] It remains a widely performed act.

Hereward Carrington revealed the tricks of billet reading (with diagrams) that fraudulent mediums would use in his book The Physical Phenomena of Spiritualism.[3] The psychical researcher Eric Dingwall observed Reese in New York and claimed to have discovered his cheating methods; according to Dingwall the exploits of Reese were "not worth any serious scientific consideration" and that Reese came into contact with the sealed notes.[4] Martin Gardner wrote that Reese was an expert mentalist no different from stage magicians of the period such as Joseph Dunninger but managed to fool a number of people into believing he was a genuine psychic.[5]

This trick, and exactly how it is carried out, can be seen in the movie A Month by the Lake. Here the performer has his plant write something about mountains. When he receives all the envelopes, he puts the plant's envelope on the bottom of the stack. He then asks who wrote about mountains, and the plant responds. He opens the top envelope, and "confirms" his reading, but actually reads the next person's card.[6]

Many magicians take delight fooling billet readers in any number of ways. The simplest is to write questions to people who are not yet dead and then watch as the spiritualist pretends to contact the fake name.[7] Another method is to write a statement that is so ribald, funny or startling that it trips up the performer when they read it. Exposing billet readers has a long history.

In spite of this, many modern texts continue to describe the trick as if it were "real", suggesting that the would-be performer experiment with increasingly difficult-to-guess billets of their own creation before moving on to questions from a live audience.[8] In his book Miracles of Mind, Russell Targ continues to claim he really has ESP when performing billet reading.[9]



Most billet reading is an example of a generalized class of tricks known as "one ahead" reading. It is accomplished by having the performer know one of the statements beforehand, typically through a plant, or through sleight of hand by opening one of them before starting the act.[10][11]

To start the act, the mentalist selects the topmost envelope on the stack and pretends to mind-read the contents, typically by holding it to their forehead. Instead of announcing anything related to that envelope, they instead read aloud the memorized statement. The plant in the audience then cries out some variation of "that's mine!" Another variation is to claim to be unable to read the first card due to some problem, perhaps that the audience member's mind is closed or too powerful. In either event, the mentalist then opens the envelope to "make sure they got it right" or perhaps to "see what is so confusing" and is then able to read what a real audience member wrote on their billet.[10][11]

The trick proceeds to the next envelope. The mentalist pretends to mind read it, but reads aloud the statement from the envelope previously opened. This time a real audience member is impressed and agrees they got it right. The mentalist then reads the contents of the second envelope and repeats this sequence. The trick then continues until the envelopes are exhausted, the last one being empty or the envelope of the plant.[10] Throughout, the mentalist is "one ahead" in the envelope stack, pretending to be reading one while actually reading the next one.

To disguise the reason for opening the envelope, the typical variation used by mentalists has the audience members write questions on their cards, which the magician will answer. The magician then starts by answering a question, like "the weather will be nice tomorrow", and then opens the envelope to read the question, "will it be nice out tomorrow?" (while actually reading the next card, "what is my shoe size?"). As the questions may be impossible to guess, like a random person's shoe size, comedy or misdirection is often worked into the routine. For instance, "a size larger than last year" makes a reasonable answer to shoe size no matter who asks the question. Mediums may use the question and answer format as well, except that the questions are to be asked of the deceased, or perhaps are simply names of people to be contacted in the spirit world.[10]

Other methods[edit]

There are numerous variations on the theme of reading sealed notes which use sleight of hand to achieve the basic effect. Many of these involve quick palming of the billet, substitutions with pre-made billets, and other similar tricks. Annemann describes several such methods in depth, and many hundreds can be found in other works or on the internet.[1]


Johnny Carson's "Carnac the Magnificent" sketches parodied the billet reading trick by having Carnac announce the (seemingly normal) answer to an unseen question, then open the envelope and read the question, which revealed the answer to be a pun. No attempt at magic is even suggested, Carson simply uses the trappings of the well-known trick as stagecraft for his jokes.


  1. ^ a b Theodore Annemann,"Practical Mental Magic", Dover, 1983, pp. 7-11.
  2. ^ Edward Marschall, "Seeking the Explanation of Reese's "Mind Reading'", The New York Times, 20 November 1910.
  3. ^ Hereward Carrington, The Physical Phenomena of Spiritualism. Herbert B. Turner & Co., 1907, pp. 276-290.
  4. ^ Eric Dingwall. (1927). How to Go to a Medium. K. Paul, Trench, Trübner. pp. 31-32. Also see Eric Dingwall. (1968). Abnormal Hypnotic Phenomena: France. Barnes & Noble. p. 272
  5. ^ Martin Gardner. (1957). Fads and Fallacies in the Name of Science. Dover Publications. p. 311. ISBN 978-0486203942
  6. ^ "A Month by the Lake". Internet Movie Database. 
  7. ^ Joe Nickell, "The Mystery Chronicles: More Real-Life X-Files", University Press of Kentucky, 2010, p. 40.
  8. ^ Raymond Buckland, "Buckland's Book of Spirit Communications", Llewellyn Worldwide, 2013, pp. 208-209.
  9. ^ Russell Targ, and Jane Katra, "Miracles of Mind: Exploring Nonlocal Consciousness and Spiritual Healing", New World Library, 2009, p.12.
  10. ^ a b c d Irwin & Watt 2007, p. 43.
  11. ^ a b Abbott 1907, pp. 263-265.

Further reading[edit]