Calentamiento global (Global Warming)

Teach students about trading and buying goods and services. In this Spanish-translated book, readers will learn about supply and demand, and learn the difference between wants and needs. Featuring images that support the informational text, students will build social studies content-area literacy and reading skills.

Introduce students to the structure of the United States government. With this nonfiction Spanish-translated resource, readers will learn about the three branches of government, and the purpose of this separation of powers. Primary source images and supporting text engage readers and help them better understand the content.

En un crudo día de invierno de 1650, René Descartes fue enterrado lejos de su hogar. Dieciséis años más tarde, el embajador francés exhumó secretamente sus huesos y los transportó a Francia. La historia de estas insólitas reliquias involucra a los personajes más diversos que usaron estos huesos.

Animal trainers care for many different types of animals! Children will explore some of the methods that trainers use, such as affection bonding and classical and operant conditioning, while simultaneously gaining an understanding of animal instincts and animal rehabilitation. Readers are invited to learn about the variety of animals that trainers work with and are encouraged to find an area of study to focus on if they want to become an animal trainer. With stunning images, interesting facts, a glossary of useful terms, informational text, and an interview with a real-life animal trainer,...

Desde que el ser humano es tal, ha admirado, temido, incluso venerado a los animales. Esto tiene una explicacion: son una pieza clave en nuestra subsistencia como especie. Con excelentes fotografias e ilustraciones, el presente libro narra como nos hemos relacionado con los animales a traves de los siglos en los diferentes lugares del mundo. Book jacket.

Este libro ilustrado para nianos y jaovenes nos lleva a un viaje a travaes del tiempo para descubrir algunas de las estructuras maas asombrosas que la humanidad ha construido a lo largo de su historia.