Los ciclos de vida de los insectos (Insect Life Cycles)

From the candiru to the lionfish, there are so many kinds of fish on Earth. While all have different methods of production, the basic life cycle is the same, from egg to spawning swimmers. Readers are introduced to this general cycle as well as the important vocabulary needed to talk about it, such as “fry” and “spawning.” Accessible language and simple diagrams throughout the book provide a way for struggling readers to tackle science curriculum content.

[English] What is the difference between a savanna and a prairie? How do bison, zebras, and other grazers avoid hungry grassland predators? Trek across the plant-covered landscape of this book, and find out what makes grasslands one of Earth's treasures. [Spanish] ¿Qué diferencia hay entre una sabana y una pradera? ¿Cómo escapan los bisontes y las cebras de los depredadores? Camina entre los altos pastos de este libro. Descubrirás por qué los pastizales son uno de los grandes tesoros de la Tierra.

Students will gain a deeper understanding of the Cold War by delving into major social studies topics in this project-based examination. The volume presents a series of broad questions touching on major themes in the social studies curriculum. Each question is accompanied by several paragraphs examining that question in the context of the Cold War, as well as a detailed project that prompts readers to think critically and present their findings or opinions in a particular format, such as a poster with side-by-side comparisons, a persuasive essay, or a class presentation.

¿Tienes que quitarte los zapatos en la entrada?. Descubre por qué los buenos modales hacen que la visita a casa de un amigo resulte estupenda para todo el mundo.

Los policías usan coches de la policía para ayudarnos a mantenernos a salvo. ¿Cómo funcionan los coches? Aprenda sobre los coches de la policía y los oficiales que los conducen en esta introducción en español a la lectura de no ficción. Las fotografías de color añaden interés visual, los diagramas ayudan a los lectores jóvenes a identificar las partes de un coche de policía, y un glosario de fotos hace que el texto sea navegable. Police officers use police cars to help keep us safe. How do thee cars work? Learn about police cars and the officers who drive them in this...