Hovering helicopters /
Molly Aloian.
- New York : Crabtree Pub. Co., c2011.
- 32 p. : col. ill. ; 28 cm.
- Vehicles on the move .
Includes index.
High-flying helicopters -- Take a closer look -- Rotors -- How to hover -- Skids or wheels -- A need for speed -- In combat -- At sea -- Ambulance and police -- Into mountain regions -- Carrying loads -- Fighting fires -- In the news -- Into the future.