Helicopters
From the Series How It Works
Learn how helicopters soar through the sky to transport and rescue in this fact-filled title! Young readers will learn about the uses, inner workings, and future of these powerful machines. Crisp images and leveled text provide engaging descriptions, while special features offer step-by-step visuals for critical helicopter parts and flight mechanics. The book concludes with a question that prompts readers to think about future helicopters.