Let your spectator choose between two books picked at random. Without altering them in any way, predict the exact text they are reading. To their amazement, you have read their mind, telling them the first words on the page in the book they are holding! The beauty of this trick is that both books can be examined by anyone in your audience, and they will not find any gimmicks. This trick can be performed anywhere you go. With the book test effect, you can create a magical experience out of any situation. Knowing this trick will also provide you with the ability to start learning more advanced mind reading effects to build your routine.