Book Thief -- Mentalism,Close Up Magic, Magic Trick

The magician took out an envelope and showed the audience that the envelope was empty. Then the magician asked an audience member to seal and sign the envelope to prove that the envelope would not be replaced. Then the magician took out a book, which was a book called the Book Thief. The magician began to tell a story to the audience. Once upon a time, there was a little girl who liked to read books. Even she was suffering from poverty and war. Going to study, and once again the little girl died in the chaos of war, this is the book she didn't finish reading before she was alive. The magician opens the book to show the audience that this is an ordinary book, and allows the audience to choose a random number of pages, such as 218 pages. The magician makes the audience believe that the 218 pages are intact in the whole book. In the middle, and randomly click the above few words, then the magician summons the little girl’s soul with a very supernatural effect, and explains to the audience that the little girl will steal the 218 pages just selected by the audience in the book The pages of the book, and when the magician turned the book to page 218 again, the page that was just intact was actually torn off! But it appeared in the empty envelope that had been left on the table without any movement!