La naturaleza de la materia (The Nature of Matter)

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.

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.

Once the Industrial Revolution made it to the United States, the workforce changed forever. Not only that, family life, childhood, and the economy changed, too. A complex topic with many facets, the Industrial Revolution is covered in accessible language in this book. Written with social studies curricula in mind, the main content includes age-appropriate detail, such as important dates, people, and vocabulary readers will likely need in the classroom. Developing readers and those in need of review need look no further than this volume to enhance or refresh their knowledge of this key time...

Gender studies of Spain has thus far focused almost exclusively on women, leaving the social and political history of male homosexuality virtually untouched. "'Los Invisibles'" fills this significant gap in the study of Spanish culture by analyzing the effects of medical and legal regulation on male homosexuals. Drawing from the discourse of medical history, Richard Cleminson and Francisco Vazquez Garcia evaluate the impact of psychiatry, education, race, and the growth of gay subcultures on cultural representations of homosexuality in this pioneering study.

13 cuentos bellamente ilustrados, recogidos en el remoto Valle de Atríz, viajan hacia tí, incansable lector, para llevarte a conocer la tradición del pueblo que vive y ama al pie del coloso Ninan-Urcu, la Montaña de Fuego, al sur, muy al sur de la tierra colombiana. Vamos juntos hasta allá.

Con este increible ATLAS DEL MUNDO, descubre nuestro fascinante planeta! - Mas de 35 mapas actualizados a todo color con las fronteras politicas, los paises y las ciudades, y fantasticos paisajes de satelite. - Los capitulos sobre los continentes incluyen informacion sobre el clima, la poblacion, la vegetacion, lugares destacados y mucho mas. - Con una introduccion sobre la Tierra y el mundo moderno. - Informacion clara, curiosidades, fotos a color, asi si que es divertido aprender!