Experimentos sencillos sobre el tiempo

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.

Para salvar a su madre, Gou Haoyou se ve obligado a desobedecer a sus mayores y se convierte en jinete de papalotes. Como estrella del Circo Jade emprende un viaje que lo llevar hasta el coraz n mismo de la China del siglo XIII: la corte del gran Kan.

Bullying is a common phenomenon facing society today. Author Nora Rodr?guez puts forth hundreds of strategies, divided by age groups, to educate children on the concepts of solidarity, mutual respect and the importance of resolving conflicts in a positive manner. Only through the involvement of parents and teachers in the detection and prevention of school bullying, will bullied and bullies be able to trust in themselves and grow to become secure human beings.

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.