In the United States and other countries, it's not unusual to find wind farms in countryside and coastal areas. From the outside, wind turbines may look simple, but inside, many complex parts turn wind energy into electrical energy. Readers of this engaging and at-level text will gain an understanding of the inner workings of these powerful machines, which are capable of producing clean, renewable energy. Eye-catching photographs and fun fact boxes add further interest to this intriguing STEM topic.