La fiebre del oro

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...

Rain, sunshine, warm fronts, and cold fronts. Have you ever listened to a weather report? Knowing the weather can help us plan ahead. But reporters aren’t the only ones who can track weather. You can, too! This nonfiction Spanish book explores the subject of meteorology in depth, and introduces students to important scientific concepts and vocabulary like anemometer, barometer, air pressure, warm front, cold front, rain gauge, probability, Celsius, Fahrenheit, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and...

Learn how to help others in your community. This exciting Spanish nonfiction book describes the many ways that volunteers make a difference, from cleaning up parks to helping in food banks. Perfect for young readers, the book includes a short fiction stor

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,...

El racismo constituye una de las páginas más vergonzosas de la historia contemporánea. Una ideología del odio que ha marcado las relaciones entre las culturas y las naciones de nuestro tiempo presente. El presente libro trata de acercarse a las raíces históricas e ideológicas de la doctrina racista, a su desarrollo mundial durante los siglos XIX y XX y a su ocaso en nuestros tiempos. La cuestión se expone con un lenguaje claro, pero a la vez riguroso y muy contrastado, exponiendo numerosas citas de especialistas en el tema, o de las propias fuentes originales.

Sep forces the moon to give him his wish, to be the maker of enchanted fiddle music but almost pays a horrible price for it.

Laura Nogués parece tenerlo todo: arquitecta de éxito e hija de una importante generación de perfumistas de Barcelona, está felizmente casada conun neurólogo de renombre. A pesarde todo, no es feliz, por lo que abandonará su prometedora carrera y se lo jugará todo para perseguir su sueño: “Jazmines”, un especialísimo balnearioen Grasse, la cuna de los aromas, en el que el perfume será el protagonista absoluto de todo. Sin embargo, la tragedia sobrevuela el sueño de Laura: una misteriosa mano negra intentará acabar con su carrera y con su matrimonio, y un terrible accidentele...

«El erudito Montague Rhodes James (1862-1936), preboste del Eton College, arqueólogo de renombre y reconocida autoridad en manuscritos medievales e historia de las catedrales, siguiendo su vieja afición a contar relatos de fantasmas durante las Navidades, se ha convertido poco a poco en un cultivador de primera fila de la literatura espectral, y ha llegado a servir de modelo a una larga serie de discípulos». Así presenta otro genio del terror, H.P. Lovecraft, al indiscutible maestro del relato de fantasmas victoriano M.R. James. Para James, el relato de fantasmas era todo un arte y...