Los Primates

En El fascinante mundo de... las aves rapaces descubrirás la rápida garra acuática del águila pescadora o la alucinante caída en picado, a 200 km por hora, del halcón peregrino en busca de su presa. Verás el preciso planear del buitre oteando la carroña o te sorprenderás de la habilidad del alimoche cuando utiliza una herramienta para conseguir su comida... y muchas cosas más sobre su fascinante mundo.

Introduces the many levels of government leadership in the United States and discusses the presidency, Congress, state and local governments, and the judiciary.

Readers are given helpful information about the dangers of drugs and alcohol, including narcotics, hallucinogens, and prescription medications in this informative nonfiction reader. Through detailed images, diagrams, Spanish-translated informational text, an index, a glossary of terms, and a list of websites that provide additional information, readers are given the tools and information they need to educate themselves about addiction, drug abuse, the health and social issues that drugs and alcohol can cause, and how to say no to peer pressure.

Introduce cachalotes, incluyendo sus diferentes partes del cuerpo, la forma en que viajan en grupos, lo que comen, y cómo cuidan a sus crías.

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...