La era del Jazz y la Gran Depresión (The Jazz Age and the Great Depression)

Young readers will survey the discovery of the American colonies through the eyes of explorers, soldiers, and civilians.

Young readers will survey the discovery of the American colonies through the eyes of explorers, soldiers, and civilians.

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.

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Este práctico libro recoge muchas de esas preguntas que los pequeños de la casa (y a veces no tan pequeños) se pasan la vida haciendo a los mayores, y las contesta de un modo sencillo y muy divertido. Van acompañadas por unas simpáticas y originales ilust