Siglo XXII: El futuro del espacio (22nd Century: Future of Space)

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging nonfiction title that has been translated into Spanish. This title features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

Inform readers of the dangers of smoking. Through helpful diagrams, detailed images, and truthful facts, readers are given the tools and information to educate themselves about smoking, tobacco, addiction, and the health problems that smoking can cause. With informational text, an index, glossary of terms, and list of websites, this text encourages children to say no to smoking and peer pressure and to learn what steps they can take to help prevent others from starting. This book has been translated into Spanish.

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

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.

Cuentos, poesias, chistes y 350 adivinanzas (algunas tradicionales y otras inventadas especialmente para este trabajo), constituyen una nueva propuesta que invita a seguir jugando con las palabras.Para todos los gustos y edades, este libro rescata y renueva la tradicion de las adivinanzas. De calles, de nombres y animales, de frutas y verduras, un verdadero maraton para adivinadores.

Provides an overview of the design, uses, weapons, and equipment of U.S. Air Force bombers. Written in English and Spanish.

Edgar Sawtelle es un niño mudo que se comunica solo en lengua de signos. Lleva una vida apacible y feliz junto a sus padres y su inseparable amiga y aliada perra. Pero el inesperado retorno de Claude, el hermano del padre de Edgar, a la granja después de muchos años, romperá la tranquila y feliz vida de esta familia y cambiará su destino, de forma irreversible, para siempre.