Mujeres en las ciencias (Women in Science)

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...

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

El máximo de información en el formato más manejable Un diccionario que concentra gran cantidad de información, con: Más de 26 000 entradas Más de 46 000 definiciones que describen lo esencial del significado de las palabras Acepciones ordenadas por criterio de uso Numerosas notas de ortografía, morfología y uso Adaptado a la norma ortográfica de la RAE

In Ocanos, carefully leveled text and vibrant, full-color photographs take beginning readers on a tour of the ocean. Readers learn about this important ecosystem and the variety of living things adapted to live there.

Pets! We love them, and we take good care of them. Learn all about what Fish need to be happy and healthy pets. ¡Las mascotas! Las amamos y las cuidamos mucho. Aprende todo sobre qué necesitan los Peces para estar felices y ser mascotas saludables.

En El fascinante mundo de... los primates descubrirás cómo y quiénes viven en los árboles o a ras de suelo. Te intrigará el porqué unos viven casi en solitario, en familia o bien forman grandes manadas. Confirmarás que es muy práctico tener una larga cola prensil para colgarse de las ramas. O lo útil de la disposiciópn de los dedos en manos y pies para alimentarse y desplazarse o estar durante mucho tiempo colgado del pelaje de la madre... y muchas cosas más sobre su fascinante mundo.