Mujeres en las ciencias (Women in Science)

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...

Provides a basic introduction to caves, including geographical information and plant and animal life.

Cada año los magos de Imardin se reúnen para vaciar las calles de la ciudad de vagabundos, pícaros y maleantes. Son maestros en las diversas disciplinas de la magia, y saben que nadie puede opnérseles. Pero su escudo protecto no es tan impenetrable como creen. Porque Sonea, una joven de la calle, está furiosa tras ver que su familia y sus amigos vana ser expulsados de la ciudad. Toda la rabia acumulada por años de injusticia va concentrada en una piedra que Sonea lanza contra las fuerzas del orden. Para sorpresa de todos, la piedra atraviesa la barrera invisible y derriba a uno de los...

Presents the Aztec tale of how warring gods Quetzalcoatl and Tezcatlipoca helped to form the Earth when they joined together to conquer the goddess Tlatecuhtli.

The Pledge of Allegiance was written in 1892 by a man named Francis Bellamy for a children's magazine called The Youth's Companion. Mr. Bellamy wanted the flag to fly above every school in America so that children would feel pride and love for their country when reciting the words to the Pledge of Allegiance. Each stunning photograph of laughing children, sweeping landscapes, or furling flags, is surrounded by bold, colorful borders, making this book a visual celebration of the words of America. Aprende a decir en espanol y en ingles la promesa a la bandera que recitas todos los dias en la...