¿Qué causó la guerra de Secesión? (What Caused the Civil War?)

Electricity affects every part of our lives, but we don't always think about it. We turn the lights on every day without wondering how the electricity gets there. Electricians are the reason we don't always have to worry that the lights are going to stop working and the people we can help if they do. Electricians don't just have to use their intelligence, they also have to be good with their hands. They have to be able to work with many different people and know what to do in case of an electrical emergency. Electricians keep our world running. Instructive, colorful photographs and diagrams...

Describes the life and work of the scientist who was persecuted by the Inquisition for his views of the universe.

« Tu as toujours été un gentil garçon. » Un si gentil garçon, de bonne famille. Tu te payais le luxe de vouloir vivre ta vie, tu jouais dans un groupe de rock, portais les cheveux longs et refusais catégoriquement de travailler dans la banque comme papa : tu semblais si inoffensif, Polo. Pourtant, dix ans après, quand Blanca resurgit, tu n'es plus toi-même qu'un fantôme, une ombre, un cauchemar vivant.Ton boulot, les conversations avec ton psy, ta merveilleuse Gabi : rien n'a pu te sauver, et aujourd'hui tu es là, sur ce bord de trottoir, à quelques mètres de ta victime,...

The gold dollar coin bears the image of one of the most famous Native Americans in U.S. history; Sacagawea. Though much of her life remains a mystery, this book explores the story of this extraordinary woman who helped Lewis and Clark explore the American West. Age-appropriate language and content will help beginning readers understand this fascinating time in American history and introduce them to Sacagawea's captivating story. Exciting photographs help draw readers in, and a timeline of important events will reinforce what they've learned.