Mi Mundo (My World) ¿Qué es una estación?

Roma. Esta civilización sobresalió por la innovación de sus instituciones políticas y la expansión de sus grandes obras de ingeniería. Este volumen ofrece una cuidada visión general del concepto, seguida de una selección de temas, cada uno de ellos presentado mediante una espectacular ilustración a doble página, complementada con breves y precisos textos, así como con aproximaciones a ciertos aspectos de gran interés.

Take a trip to the Everglades as you practice addition! About one million people visit Everglades National Park every year to see the unique animals, reptiles, birds, and fish that call this unique place home. Students will practice addition within 100 while engaged in reading about the Everglades. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math concepts relevant and fun. Text features include a table of...

Learn how the power of a petition can give Americans the ability to create real change! This Spanish nonfiction book includes a related short fiction piece, glossary, an exciting bonus activity, and other useful tools. The fun images and meaningful text will teach students how to be responsible citizens who can improve their communities by writing petitions. This 32-page full-color Spanish book describes the purpose of petitions and how they can be used to make a difference. It also explores important topics such as laws and democracy and includes an extension activity for grade 3. Perfect...

What is my period exactly? Do I need to see a doctor? What does it feel like to wear a pad? What if I get my period at school? Karen Gravelle and her fifteen-year-old niece, Jennifer Gravelle, have written a down-to-earth and practical book that answers any questions you might have about your period, from what it is and what it feels like, to how to choose pads and tampons, to how to talk to your parents about it. The Period Book will help guide you through all the physical, emotional, and social changes that come with your period, as well as related issues like dealing with pimples, mood...