La fiebre del oro (The Gold Rush)

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,...

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,...

"This oversized book introduces children to the alarming number of species that are endangered, threatened or, unfortunately, extinct. It includes amphibians, birds, mammals, reptiles, and fish, devoting an entire page to each animal. Readers will learn the threats facing each one, where each one lives or lived, including the type of habitat, its diet, size, and ongoing conservation efforts."

A STEM-focused addition to the #1 New York Times bestselling She Persisted series! Now available in Spanish! A lo largo de la historia, a las mujeres les han dicho que la ciencia no es para ellas porque no son suficientemente inteligentes, o porque sus cerebros simplemente no son capaces de ese tipo de estudio. En este libro, Chelsea Clinton nos presenta a varias mujeres científicas que no prestaron atención a los que les dijeron que no y optaron por utilizar su ingenio, sus habilidades y su persistencia para descubrir, inventar, crear y explicar. Ella persistió en la ciencia es un libro...

Conviértete en un superdetective y ayuda a resolver el robo del siglo. Acaban de dar el aviso de un importante robo. Este será el primer caso de una joven detective y no parece fácil: lo único que consigue de la escena del delito es una muestra de ADN que extrae de un guante. ¿Podrá encontrar al ladrón solo con eso? En el núcleo de casi todas las células de nuestro cuerpo hay una molécula de ADN con un código único que le da al organismo instrucciones como «Crea dos piernas, dos brazos, dos ojos y una nariz». Pero ¿qué es el ADN exactamente? ¿Y cómo puede haber tanta...

La ceremonia de legitimar al gobernante de las comarcas del Anáhuac, consistía en investirle con un pequeño caracol marino. El Ehecailacózcatl sobre el pecho, representaba el honor de ser el Portador Ancestral de los secretos y la sabiduría de La Herencia Toltecáyolt. Las personas lo reconocían como la máxima autoridad. Quetzalcóatl, el hombre, fue el primer Tlatoani en ostentar el Caracol cuando estaba a cargo de Tollan.