Students will learn about the fields of seismology, volcanology, and meteorology in Personas que predicen (People Who Predict). Used in the classroom or at home, this math reader teaches estimation and includes practice problems, mathematical charts, and diagrams to teach math concepts. This Spanish text includes text features such as a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.