This title is suitable for ages 6 to 10 years. All living things die. If dead plants and animals were not cleaned up, Earth would soon be a smelly pile of carcasses. Fortunately, nature has 'cleaners' that eat dead things.

שם הספר
Tennis in Action (Sports in Action)
Cycling in Action (Sports in Action)
Gymnastics in Action (Sports in Action)
Field Events in Action (Sports in Action)
Native Homes (Native Nations of North America)