In this tutorial, we learn how to read your friend's minds with the book test. First, sit by two friends and have three books with you. Have them pick a book, then write a 3 digit number on a card, then have the other person flip the numbers and subtract them. Now have the other person reverse the digits and add numbers again and add them all together. Now, have the other person circle the lat digit and open the page and word of the digit. Have the people think of the word they come up with and then you will figure out the word they have. This will trick your friends and get you some free beers!
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