La fiebre del oro (The Gold Rush)

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

What do churros, macarons, and strudel have in common? In order to bake them successfully, pastry chefs must use fractions! Students will learn comparing fractions while engaged in reading about delectable desserts from around the world. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy,...

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...

Students will develop their math skills while engaged in reading about the importance of honeybees. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning place value relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities while challenging...

Un libro regalo comprometido con la educación y la diversidad. Para toda la familia. Un viaje alrededor de las escuelas del mundo. Conocerás los colegios, las costumbres y realidades de chicos de todos los continentes.

RECIPIENT OF THE PURA BELPRÉ HONOR * A Today Show's Best Kids' Books of 2019 * Indie Next List Pick * Junior Library Guild Selection * Sigue la vida y el legado de Pura Belpré, la primera bibliotecaria puertorriqueña de la ciudad de Nueva York. Cuando llegó a Estados Unidos en el año 1921, Pura trajo consigo los cuentos folklóricos de su tierra natal, Puerto Rico. Encontró su nuevo hogar en la Biblioteca Pública de Nueva York como ayudante bilingüe. Logró que sus relatos se convirtieran en libros y esparció las semillas de sus historias por todo el país. Hoy día, esas semillasse...

Escribir contraportadas de libros (especialmente las de uno mismo) es muy dif�cil. A continuaci�n lo intentar�: este libro es sobre el miedo. Sobre c�mo funciona, c�mo se adue�a de nosotros y c�mo nos persigue desde la infancia. Si antes les tem�amos a los monstruos debajo de la cama, hoy tambi�n. Pero no todo es tan malo. Todos sentimos miedo sin importar de d�nde somos, cu�ntos a�os tenemos, o si nos gusta o no el chocolate, Yo, por ejemplo, casi me muero de ansiedad (que es miedo en su m�xima potencia) y sobreviv�. No s�lo sobreviv� sino que aprend� que lo ...

Siervos medievales presenta una realidad social poco estudiada hasta ahora por la historiografía medievalista: la vasta extensión de la dependencia campesina de carácter servil en el norte de la Península y, en especial, en Aragón y Navarra, durante los siglos XI al XIII. Indaga la experiencia vital de los siervos, las características de la reproducción social de las familias serviles y la dinámica de la dominación ejercida por los señores. Muestra la ambigüedad de los estatutos, del deshonor que pesaba sobre los siervos y las características de la resistencia campesina. El...