Description - How Do Helicopters Work? by Jennifer Boothroyd
Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Read this book to find out!
Buy How Do Helicopters Work? by Jennifer Boothroyd from Australia's Online Independent Bookstore, BooksDirect.
Other Editions - How Do Helicopters Work? by Jennifer Boothroyd
A Preview for this title is currently not available.
Checking availability...
