Obrero de Construcción

Describes different kinds of artists, the type of work they produce, the tools they use, and the skills and training they need to have.

An introduction to what cowboys do, what their day is like, what they wear, what tools they use, and how people can become a cowboy.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!

Understanding the concepts of solids, liquids, and gases is central to the early science curriculum. States of Matter uses simple, authentic Spanish text to introduce ELL students to these important concepts. Each book features a strong photo-text match and clear, full-color diagrams to enhance comprehension.

An asteroid hitting Earth may sound like science fiction, but it is a real danger. This book explores what the different scenarios might be and how we can prepare ourselves in case such a disaster should occur.

Estás a punto de embarcarte en una fantástica travesía por la historia de los robots. Los robots han formado parte de nuestras vidas desde hace más tiempo del que quizás imaginas. Su origen es fruto del eterno impulso del ser humano de crear vida artificial para trabajar, medir el tiempo, observar el universo o crear música, entre muchas cosas, y su evolución es continua y cada vez más rápida. A lo largo de este extraordinario viaje conocerás a todos los robots residentes de Robotland, tanto a los habitantes más modernos como a sus antepasados más primitivos o, incluso, a los que...