Floods are one of the most lethal threats of nature because of their speed of formation and extent of destruction. Therefore, its study is extremely important because it disrupts the proper functioning of the economy and social and environmental development of many cities and municipalities not only in Nicaragua but also in Latin American countries and the world in general. A clear example is the overflow of the Fonseca River in the City of Teustepe, which completely destroyed the bridge that connected this place with other neighboring communities, such events took place on October 26, 2017. And as well as this site, there are many more that you will be able to read in this interesting book with abundant illustrative resources for use and handling of the reader. Thank you. I hope you enjoy it.