Creamos una aplicación: Carreras en computación (We Make an App: Careers in Computers)

Illustrations and text present the history, geography, people, politics and government, economy, and social life and customs of Arizona, the Grand Canyon State.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish biography provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the lives of famous Californians including John Muir, Dorothea Lange, Sally Ride, and Cesar Chavez. Learn about California’s history while building reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time ...

One of the most famous American symbols, the Statue of Liberty stands for freedom and opportunity. Standing on Liberty Island at the tip of New York City, the statue welcomed immigrants from around the world to America's shores. Built by France as a gift to America after the Revolutionary War, the statue's torch spreads the light of freedom into the world.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.