Connecting continents near and far, airplanes are true marvels of engineering. From the largest cargo planes, passenger jets carrying people from place to place, to planes only big enough for two people, there are many different kinds of planes to learn about. But how does something heavier than an elephant stay in the air? How do scientists and engineers make air travel so safe? Young readers will jump into the process of building an airplane, learning through amazing photographs paired closely with the text.
$ 555 元
原價 555
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$555
