Los Rangers Del Ejercito De Ee.uu./The U.s. Army Rangers

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

Este poeta, premio Nobel 1977, sabía que los niños comprenden a veces más y mejor que lo que los adultos suponen, y que únicamente hay que ofrecerles un mundo que puedan compartir.

Explore fascinating robotic technology through the ages, from the earliest automatons to modern humanoid helpers. From automata created by Leonardo Da Vinci to modern-day androids and animal robots, this book covers artificial intelligence (AI) throughout history. Discover the latest at the cutting edge of robotics, where science, technology, mechanical engineering, and computing meet as Robot explains how robots work, how they are made, and how they help and sometimes hinder in modern society. This kids' robot book showcases the latest and greatest innovations in AI through bright graphics...

Many animals and insects build their homes in trees or visit trees to feed from their fruit, flowers, and leaves. Trees are not unlike great buildings, where creatures protect themselves—amongst their branches or in the nooks of their trunks—against predators or harsh weather. Trees are also of great use to human beings, as they provide us with food, shelter and medicines. The outstanding photographs in this book show how some animals relate to different tree species, while also revealing curious details of specific trees.

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...