Bøger i Cool Rides serien

"Look up! You'll see a lot more than just regular airplanes and helicopters in the skies! Many engineers are looking to flight as the future of transportation. Discover the technology inside the latest personal air vehicles and jet packs. Find out how VTOL aircraft might someday lift drivers out of traffic jams and how hoverbikes work. Keep your eyes to the skies! You won't want to miss these amazing air vehicles!"--