The Earth's crust is constantly changing. According to the U.S. Geological Survey, earthquakes erupt when two large pieces of earth slip past each other. Earthquakes are almost impossible to predict. Therefore, it's important to discuss safety measures with children, especially if they live near a fault line. Discuss what earthquakes are and what to do in case of an emergency with your readers through this science based book about earthquakes. This nonfiction book is paired with the fiction book, When the Ground Shook, for connecting across texts and comprehension through connection strategies.