Discover some of the fastest vehicles ever made! From arrow-shaped spy planes to hybrid helicopters, aircraft are being pushed to extremes. Find out about the fastest flying machines in the world, and learn what it takes to pilot them to extreme speeds. This book is part of the Maximum Speed series, a collection of books that take a close look at record-breaking vehicles and the people who build, drive and pilot them. Each book details how each craft has evolved over time, and how they're engineered for extreme performance. These books are the perfect introduction for future engineers and designers aged 9+.