From the back cover:
The plane was flying high now at cruising speed. Nancy gazed with interest at the huge bank of switches, lights buttons and dials that almost surrounded the pilot.

Suddenly, without warning, the door near her began to open. The next instant it flew up and outward. She felt herself being sucked out of the plane!

Nancy made a wild grab for the luggage harness and clung tightly, but it seemed as if she did not have enough strength, against the terrific wind to grasp it very long ...

Thank you very much for sending this book to me, via my Dad, LaFontaine!

clever story - enjoyed this book!