Air Is All Around You [Paperback]

When it's not windy, it can be easy to forget about air. But air is everywhere–it fills your house, your car, and even your empty milk glass. In fact, a regular room holds about 75 pounds of it! This Level 1 book, reillustrated with John O'Brien's clever, eye–catching illustrations, tells you how to discover the air that's all around you.