Earth has different parts: the geosphere, atmosphere, biosphere, hydrosphere, and magnetosphere. With the parts in balance, living things can stay alive and healthy. An imbalance can cause changes in weather, unhealthy air and oceans, and rising sea levels.
 
Softcover, 8×8 in., 24 pages
Word Count TBA,  Lexile Measure TBA
Pronunciation guide included
Reading Level 1-3, Interest Level 2-5.