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The office of the U.S. President is designed to share power between the three branches of government—executive, legislative, and judicial. These three branches balance each other's power to keep the peace and respect the rules.

This revised edition features 22 new stories about women and girls across 70+ professions and over 40 countries. Listeners will marvel at the accomplishments of well-known women like Cleopatra, Amelia Earhart, Rosa Parks, Ruth Bader Ginsburg, and Frida Kahlo, and they’ll discover the powerful stories of Colombian spy Policarpa Salavarrieta, Afghani rapper Sonita Alizadeh, Sierra-Leonean ballerina Michaela dePrince, Mexican doctor Matilde Montoya, and American surgeon Mary Edwards Walker.

Desde Aztlán emigró un pueblo guiado por Huitzilopochtli, el cual fundó la capital de un gran imperio: México-Tenochtitlán. Este tema, aunado al de las características especiales de la cultura, costumbres, organización, etc., hacen de esta obra una pieza inigualable. Este material contribuye al conocimiento y entendimiento de una cultura fundamental para comprender la historia antigua de México.

Why are so many old things buried in the ground—and who finds them?

La cultura maya es una de las civilizaciones prehispánicas más importantes de América, ubicada en la parte sureste de México, Guatemala, Belice, Honduras y El Salvador. Restos de imponentes ciudades y centros ceremoniales, vestigios de sus leyendas, mitos, descubrimientos y observaciones, son la evidencia de una cultura evolucionada que buscaba una explicación de las cosas buenas y malas de la vida.

Wilma Mankiller grew up immersed in the Cherokee community and culture of Oklahoma. When her family moved to San Francisco as part of the Indian Relocation Program, she had to quickly adjust to city life. Along the way, Wilma never lost her dedication to her people and their centuries-old traditions. She grew up to become a major political activist. From aiding the Occupation of Alcatraz in 1969 to making history as the first woman principal chief of the Cherokee Nation in 1985, Wilma never wavered in her support for her community.

Firefighter Greg has an important job to do–he helps people who are in danger of being hurt by fire. He has a lot of equipment to help him do his job. A computer inside the fire truck shows Firefighter Greg exactly which house to go to. Ladders, rigs, and tools help get the job done! Can you name other equipment that will be needed for Firefighter Greg to help others, and be safe? How can you be safe at your house to prevent fires?

Firefighter Greg has a physical job to do so he stays strong and fit. He gets up early in the morning and sleeps where he works. Did you know that Firefighter Greg practices putting on his safety gear–in less than one minute? Or that his gear–helmet, facemask, air pack, boots and jacket–weighs 75 pounds? Find out how firefighters practice putting out fires in a training tower!

Épictète est né dans la servitude. Il est boiteux, dort sur une paillasse, et pourtant c'est l'homme le plus libre de Rome. On le dit même plus heureux que l'Empereur...

La naissance de Lao-Tseu fut annoncée par une comète. Ce petit homme aux traits de vieillard, archiviste à la cour impériale, reconnut la vanité de la science. Mais où trouver la véritable sagesse ?

Estas civilizaciones, aportaron su arte y sus ideas para conformar, junto con otros pueblos, un área de alta cultura en Mesoamérica. Sin embargo, se tiene conocimiento de la existencia de culturas "preolmecas", de las que se han encontrado señales intactas de su desarrollo, hace más de cuatro mil años, en los restos de vasijas de cerámica grabada con imágenes del maíz, el Sol, el cielo, el rayo y la tierra.

Mesoamérica era una extensa área cultural que abarco un periodo de más de cuatro milenios, en el que mientras algunas civilizaciones alcanzaban su esplendor, otras llegaron a su más profunda decadencia. Los pueblos mesoamericanos creían que antes de ellos habían existido cuatro eras o soles.

On the News gently introduces young children to the realities of natural disasters, terrorism and other forms of tragedy. In age-appropriate language and tone, Dr. Roberts explains what tragedy is, the feelings it may create and how to manage those feelings. She also emphasizes the good that can come out of tragedy, looking at how people help one another in caring, compassionate and heroic ways.

Melvil Dewey loved order (Organize mother’s jelly jars), efficiency (Why spell his name Melville when Melvil has fewer letters and sounds the same?), and keeping records (Height! Weight! Earnings!). Melvil also loved books and numbers and decimals. When he realized every library organized their books differently (Size! Title! Color!), he wondered if he could invent a system all libraries could use to ORGANIZE them EFFICIENTLY.

Looking for an inspirational book that will empower and captivate young minds? Look no further than Unlocking Tomorrow, a remarkable collection of 11 incredible stories that celebrate the power of determination, hard work, and unwavering perseverance.

Verden bliver hele tiden ramt af katastrofer. I en række lande er der krige og uroligheder. Mange steder lever folk i fattigdom. I denne bog kan man læse om mennesker, der har brug for nødhjælp, men også om folk, der hjælper, og om hvordan man hjælper.

Få indblik i hemmelige agenters verden. Læs om berømte spioner, om efterretnings-tjenester, hemmelige koder, spionudstyr og spioners hemmelige sprog. De små fagbøger er interessante og informerende bøger for elever i 3. - 6. klasse.

Observieren, spionieren, recherchieren - alles rund um den Arbeitsalltag von Detektiven und anderen Ermittlerinnen. Was muss ein Detektiv können? Wie arbeitet eine Geheimagentin? Was bedeutet "observieren"? All das finden Kinder mit diesem Hörbuch spielerisch und selbstständig heraus. Sie erkunden den Berufsalltag von verschiedenen Ermittlerinnen und Ermittlern und lernen ihre Methoden kennen - mithilfe informativer Texte und spannender Rätselpausen. Das Hörbuch für kleine Spürnasen ab 7 Jahren wird von Kindern gesprochen und motiviert zum Selbstlesen.

Alles, was Groß und Klein über das Glück wissen wollen. Felix und Feline begeben sich auf eine Entdeckungsreise: Wie ist es, in einer Tätigkeit voll und ganz aufzugehen? Selbstwirksamkeit, Gestaltungsfreude und Verbundenheit – so kann echtes Glück aussehen! Die beiden machen sich aber auch auf Spurensuche, warum so viele Erwachsene die Fähigkeit verlieren, glücklich zu sein und unbeschwert im Moment zu leben. Liegt es an unserer schnelllebigen Welt? Daran, dass uns Raum und Zeit fehlen? Wo in unserem Alltag ist Platz zum Spielen und Erkunden, zum Lernen und Denken, für Zugehörigkeit und Geborgenheit?

In 1859, the British and Americans coexist on the small island of San Juan, located off the coast of the Pacific Northwest. They are on fairly good terms—until one fateful morning when an innocent hog owned by a British man has the misfortune to eat some potatoes on an American farmer's land. In a moment of rash anger, Lyman Cutlar shoots Charles Griffin's pig, inadvertently almost bringing the two nations to war. Tensions flare, armies gather, cannons are rolled out . . . all because of a pig!