¿Qué hacen los policías? (What Do Police Officers Do?)

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

On a clear night, you should be able to see the stars. But we cannot always see them. Light pollution prevents us from seeing the stars and causes other problems as well. Learn about light pollution with this STEAM book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, it features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in...

Dos niños viven una aventura en el monte, acompañados de un joven investigador. Las relaciones entre estos personajes, junto a los abuelos de los niños, sirven de pretexto a la autora para desarrollar el tema fundamental de la obra: la protección de la naturaleza.

Para celebrar el 20o aniversario de la publicación de Harry Potter y la piedra filosofal, este libro, que cubre miles de años de historia de la magia, invita a los lectores a emprender un viaje hechizante por el plan de estudios de Hogwarts.Desde Cuidado de Criaturas Mágicas hasta Herbología, pasando por Defensa Contra las Artes Oscuras, Astronomía, Adivinación y muchas asignaturas más. Prepárate para maravillarte con piezas formidables procedentes de los archivos de la Biblioteca Británica, así como bocetos y páginas manuscritas de J.K. Rowling e increíbles...

"In Lion Cubs in the Wild, beginning readers will learn about baby lions as they grow up on the savanna in Africa. Follow along as lion cubs join the pride and learn from their moms. Vibrant, full-color photos and carefully leveled text will engage young readers as they are introduced to lion cubs' appearance, diet, behaviors, and habitat. A picture diagram labels a lion cub's body parts, while a picture glossary reinforces new vocabulary. Children can learn more about lion cubs online using our safe search engine that provides relevant, age-appropriate websites. Lion Cubs in the Wild also...