00852ojm 2200241z- 450 991015573150332120230913112557.01-5124-4695-5(CKB)3710000000976222(BIP)058891802(EXLCZ)99371000000097622220231107c2017uuuu -u- -engHow Do Hang Gliders Work?Lerner1 online resource (32 p.) illWould you want to swoop through the air like a bird? Riding a hang glider is a fun way to fly. But a hang glider has no motor. How does the pilot take off? How does the hang glider stay in the air? Learn the answers in this book!629.14Boothroyd Jennifer1435213AUDIO9910155731503321How Do Hang Gliders Work3599830UNINA