In this book, you will find answers to more than 70 questions about bottlenoses, Orcas, dusky dolphins, Amazon River dolphins, and more.◎How fast do dolphins swim?◎Why do dolphins swim in groups?◎How do trainers teach dolphins “ tricks”?◎Do dolphins rescue people?◎What can you do to protect dolphins? Become an exert on these friendly mammals. Learn amazing facts that will shock your family and friends! There are hundreds of facts to collect, plus dramatic illustrations that show you how these intelligent sea creatures live in their underwater habitats.