Tesla : inventor de la era eléctrica

Ricardo the pack rat has collected so much stuff that his rat hole is full. Includes facts about pack rats.

Desde el enorme tiburón ballena, el pez más grande que existe, hasta el voraz tiburón blanco, los tiburones comprenden una amplia variedad de especies que habitan en todos los mares cálidos y templados. A través de las extraordinarias fotografías y los amenos textos contenidos en este volumen, sabrás cómo vive, cómo se alimenta y cómo se reproduce cada especie y conocerás la forma de vida de la raya, un pariente próximo del tiburón, aunque de costumbres muy diferentes.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of reusing resources and knowledge. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how reusing resources and knowledge can be helpful in the real world. In this book, readers learn about the Bill of Rights and how parts of it...

Recess is a time to go outside, have fun, and play. Spend some time problem solving to make sure everyone has fun at recess! 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 problem solving 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 provides additional learning...