Readers explore the ways that out-of-control water can devastate an area. They will read explanations of how tsunamis form and the range of things that can cause flooding, including heavy rains, hurricanes, and dam collapses. They will learn about past disasters, such as the Johnstown Flood and the tsunamis that hit the Indian Ocean and Japan in 2004 and 2011, respectively. They will also glean reassuring tips on how to react if ever caught in a flood or tsunami.