What are the biggest, fastest, and most powerful aircraft in the world? In this book, readers find out all of that--and much more! Mega-sized facts draw in vehicle-obsessed readers from the start with incredible full-color photographs that support the interesting main content. Diagrams showing the many parts of a variety of aircraft, from helicopters to jets, add another layer of information. This volume supports STEM curricula in a high-interest way, and questions throughout the text engage readers further.