Mujeres en la política (Women in Politics)

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

Acércate a mirar un mundo fascinante que con frecuencia se oculta a la vista. Los bichos están en nuestro entorno, pero ¿qué sabemos realmente sobre ellos? En este libro se revela la vida secreta de esos pequeños animales: cuándo y cómo evolucionaron, qué aspecto tienen, cómo funciona su organismo, dónde viven y cuál es su comportamiento.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Did you know that jellyfish are found in every ocean? A group of jellyfish is called a bloom. Learn more about these stinging drifters in All About Jellyfish.

Sueña 3 está destinado a aquellos estudiantes que ya tienen unos buenos conocimientos de español, pero que aún necesitan ampliar su léxico y el dominio de ciertos usos y construcciones gramaticales de mayor complejidad. Sueña 3 se compone de 10 lecciones, divididas en secciones claramente diferenciadas. Cada lección comienza con dos páginas dedicadas al léxico, que llamamos " Palabras, palabras " . A continuación, hay dos páginas de gramática bajo el rótulo " Normas y reglas " ; y a partir de aquí se presentan varias páginas, enfrentadas, en las que el alumno encuentra , a la...