Los cruceros

Dragonflies are large flying insects known for their brightly colored bodies and see-through wings. They are among the fastest insects in the world. Learn more about these amazing animals in Dragonflies, a Fascinating Insects book.

Farmers use tractors to plow their fields. Tractors are also used on construction sites. The biggest tractors are as wide as a road. Learn more about these machines in Tractors, an AV2 media enhanced book

La colección Cuadernos de Naturaleza está pensada para jóvenes lectores amantes del reino animal, capaces de procesar datos y curiosidades sobre sus animales preferidos. Dinosaurios presenta un estudio de los grandes pobladores de la Tierra hace millones de años a través de sus fósiles con todo tipo de datos, anécdotas, preguntas y respuestas.

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Featuring basic concepts, this lovely Spanish-translated book uses vivid images, engaging vocabulary, and informational text to inspire beginning readers to recognize activities such as playing, digging, reading, running, swinging, and writing. With this engaging nonfiction title, children will be proud to share what they can do! This 6-Pack includes six copies of this title and a lesson plan.

Roma. Esta civilización sobresalió por la innovación de sus instituciones políticas y la expansión de sus grandes obras de ingeniería. Este volumen ofrece una cuidada visión general del concepto, seguida de una selección de temas, cada uno de ellos presentado mediante una espectacular ilustración a doble página, complementada con breves y precisos textos, así como con aproximaciones a ciertos aspectos de gran interés.