The Theory and Practice of Magic Deception is about what makes magic, magic. The 
first part of the book discusses theory. The second part of the book presents a few 
magic effects to demonstrate the principles presented in the first part. 
One of the more important aspects presented is the power of assumptions in a magic 
presentation. The performer does something that has several interpretations. Then, the 
audience assumes the interpretation chosen by the performer. However, as the 
performance unfolds, the audience decides their assumption wrong and sees the 
performer's attempted deception. To solve this, the performer must provide another 
assumption to cover the first assumption. The audience can unwind one assumption but 
has trouble unwinding two at the same time. 
Then the book dives deeper into the subject by showing how to manipulate the 

 