Los submarinos

Learn how technology has improved lighthouses over time with this book that features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

Un recorrido por emociones y trastornos como la ansiedad, la depresión, la impotencia, el duelo... monstruos que viven con nosotros y con los que tenemos aprender a luchar o a convivir. Hay monstruos que viven con nosotros y con los que tenemos aprender a luchar o a convivir. Oscuro como mi corazón es abrir una ventana a otras vidas. A otras vidas y también a la nuestra: es un viaje a emociones y situaciones límite que podrían sucedernos a cualquiera de nosotros o que tal vez ya hayamos vivido. Porque hay monstruos que viven en nosotros y a menudo la única salida, nuestro único camino...

Love story set in Madrid during the last days of the reign of Alfonso XIII. Isabel, an educated young woman from a pro-monarchy family meets Joaquín, whose background is very different. The author means to offer a complete and accurate picture of the ten turbulent years that determined the history of Spain in the twentieth century.

Visiting Tulum National Park is like going back in time. The Maya lived there long ago. Learn addition as you count the things they left behind. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...