Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Sadako Sasaki tenía tan sólo doce años cuando murió. Una terrible bomba atómica fue lanzada sobre su ciudad, Hiroshima, en Japón, cuando ella contaba dos años de edad. Diez años más tarde, enfermó de la leucemia como resultado de la radicación de aquella bomba. La autora ha querido destacar en Sadako su gran espíritu y valentía a la hora de afrontar el futuro que ella sabía que le esperaba.

The Focus In This Title Is That It Is Sometimes Hard To Have Integrity. Having To Always Do The Right Thing Or Say You Are Sorry Can Be Hard To Do But Makes You A Better Person And Makes Other People Think You Are, Too. Complete K-5 Social Skills Collection. Paired With A Fiction Social Skills Title.

Say hello to heroes! This book introduces preschoolers to 50 men and women of color who have changed the world! Desde Toussaint L'Overture, el líder de la Revolución haitiana, hasta la jueza Sonia Sotomayor, la primera puertorriqueña jueza de la Corte Suprema de Estados Unidos, estos héroes y heroínas persistieron contra la adversidad y las dificultades para lograr un cambio positivo.From Toussaint L'Ouverture, the leader of the Haitian Revolution, to Justice Sonia Sotomayor, the first Supreme Court Justice from Puerto Rico, these heroes have persisted through adversity and hardships to...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the U.S. Constitution, the Articles of Confederation, the Connecticut Compromise, and the Bill of Rights. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with...