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...

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,...

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

Cuarta parte de la saga de la familia Dollanganger(Flores en el ático). Culmina la apasionante historia de la familia. Cathy y Chris, atrapados por una maldición que incluso amenaza la vida de sus hijos, viven con el temible espectro de Foxworth Hall a sus espaldas, prisioneros de un pasado inconfesable del que no pueden escapar. Sin embargo, al final de la pesadilla se vislumbra una luz de esperanza... Los descendientes de Cathy son ya mayores y llevan años guardando rencor,odio,amor... que deciden desplegar después de tanto tiempo.

La Tierra de las Almas Perdidas es una novela fantástica, visual y vertiginosa, en la que se entrelazan vidas y muertes de seres mitológicos y seres humanos. Los personajes, unos luminosos, otros oscuros, permanecen enredados en una lucha tan antigua como la vida. Empujados por el azar, se tendrán que enfrentar a la impotencia y el desconcierto de los devenires de un destino que parece estar más allá de su entendimiento. Esta historia épica y mística atrapa al lector desde el primer capítulo y le lleva a adentrarse en el mundo de lo invisible y lo olvidado, en busca del camino de...

En este libro ilustrado para niños, Nikolai pregunta a sus amigos los animales las siguientes 3 preguntas: Cuál es el mejor momento para hacer las cosas?, Quién es el ser más importante?, y, Qué es lo que debemos hacer?

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.