Book Features: • Ages 5-8, Grades K-2 • 24 pages, 8 inches x 8 inches • Simple, easy-to-read pages in Spanish with full-color pictures • Includes a photo glossary and a reading extension activity • Supports NGSS Dive Into Learning: In Mi Biblioteca de Ciencias de la Tierra y el Espacio: Cambios en la Tierra, kindergarten—second graders learn about the changes that take place over millions of years, or as quick as lightning on our ever-evolving earth. Science Learning Made Fun: The Earth is constantly changing. Young readers learn about all the different ways our planet has changed and continues to change! Build Reading Skills: This engaging 24-page children book will help your child improve comprehension and build confidence with an introduction to Earth and space science topics and a fun, guided post-reading activity. Leveled Books: Part of the Mi Biblioteca de Ciencias de la Tierra y el Espacio series (My Earth and Space Science Library), the early reading level text and vibrant photos make this kids book an engaging story about the ways the Earth has changed. Why Rourke Educational Media: Since 1980, Rourke Publishing Company has specialized in publishing engaging and diverse non-fiction and fiction books for children in a wide range of subjects that support reading success on a level that has no limits.