Choppers!

$3.99

Susan E. Goodman – Helicopters are interesting machines! When were they invented? This informative book will tell you how they work, and the many uses of a helicopter. Find out about the first time a helicopter was used for rescue, and how the are used today.

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Susan E. Goodman – Helicopters are interesting machines! When were they invented? This informative book will tell you how they work, and the many uses of a helicopter. Find out about the first time a helicopter was used for rescue, and how the are used today.

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