22522825
9780613726702
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In a fun and friendly way, Tell Me Why Planes Have Wings explains the principles of flight, including gravity, propulsion, air currents, lift, and thrust. The Whiz Kids learn how planes stay aloft, maintain speed, and how the pilot steers and controls eleWillis, Shirley is the author of 'Dime Por Que Tienen Alas los Aviones', published 2000 under ISBN 9780613726702 and ISBN 0613726707.
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