Los Artículos de la Confederación (Articles of Confederation)

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

Aprende a crear con plastilina todo lo que puedas imaginar, desde un gato hasta paisajes nevados. Con las técnicas y trucos que te da este libro, será muy facíl y rápido.

Follow a day in the life of two children from different cities! This entertaining title has been translated into Spanish and encourages young readers to practice time measurement skills and early STEM themes, like reading analog and digital clocks. Familiar images and fun practice problems will have young readers thinking about how they can measure time throughout a day in their own lives!

Aquí se recogen la trayectoria poética de un autor atento observador y fiel intérprete del corro, el juego y las canciones infantiles, puesto que su máximo anhelo siempre ha sido no dejar de ser niño. Premio Nacional de Poesía 1983, premio Príncipe de Asturias.

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.