If you are using this book in a class your teacher may ask you to work in pairs as you solve the problems. One partner should read and think aloud, while the other partner listens. On subsequent problems, the partners should change roles, taking turns as problem solver and listener.
You can also use this procedure if you are not in a class, but are working through the book with another person.
Some people find reading and thinking aloud a little awkward at first, but thousands of people have already used this book and have found they adjust to the procedure quickly. Here is the reason that you are asked ...