George W. Bush: Gobernador de Texas y Presidente de los Estados Unidos (Texas Governor and U.S. President)

Más de 150 fotos de animalitos acompañadas de textos sencillos que te descubrirán todos los misterios de la vida silvestre.

Take a virtual tour of the Smithsonian! With this Spanish book, you’ll spend a day in the life of a bird keeper and learn how they are “hatching” new plans to help endangered birds. English language learners will read about how an egg hatches, the incubation period, and bird species such as the Kiwi, the emperor penguin, and the Guam rail. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students...

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.

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.