La naturaleza de la materia (The Nature of Matter)

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

Sally, una dulce y simpática muela adolescente, recibe la visita de la terrorífica Caries. Por lo que deberá adentrarse en un viaje lleno de aventuras junto a sus adorables amigos para buscar la ayuda del Chamán del Norte.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

P. is a professional philosopher whose Parliamentary seat allows him to observe real-life politics after having spent so much of his life studying its theory, but he soon realizes that the realpolitik hardly corresponds to his preconceived notions of politics. His only ally in negotiating this disheartening conundrum is his alter ego, the ghost, with whom he spends the duration of this book discussing the tensions and maladjustments brought about by this contrast. P. es un filósofo de profesión cuya obtención de un escaño en el Parlamento le permite observar en persona cómo es en la...

Mackentor fue una constructora con sedes en Córdoba y Buenos Aires, que los militares ocuparon el 25 de abril de 1977 con la excusa de que financiaba a una organización guerrillera. Nunca se les pudo probar vinculación alguna con las organizaciones armadas de la época. Se trató de un montaje que persiguió el objetivo de quitarle la construcción del Segundo Acueducto Villa María – San Francisco, una de las principales obras de públicas que se construían en Argentina en la década de los 70’, y entregársela a la empresa Supercemento. Entre ejecutivos, empleados y familiares, la...