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How People Learned to Fly - 9780060295585

Un libro in lingua di Fran Hodgkins Kelley True (ILT) edito da Harpercollins Childrens Books, 2007

  • € 16.50
  • Il prezzo è variabile in funzione del cambio della valuta d’origine

People have taken dangerous risks trying to fly. Some inventors built wings for their arms and flapped them like birds. Some built balloons. Some built machines that glided with the wind. It wasn't easy, though, and it took a long time and much experimentation until people invented the airplane. Read and find out how people learned to fly.

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