La fiebre del oro

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,...

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...

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

"Los jóvenes protagonistas viven una vida muy "organizada" en donde no hay libros y las computadoras guardan toda la información conocida. En este mundo descubren, a través de libros que hallaron escondidos en una casa vieja, que anteriormente el cielo no era gris, sino azul, y que había también un círculo que pareća de fuego y brillaba en el centro de él, proyectando sobre la Tierra una luz que no era artificial. El mar no estaba contaminado y había bonsáis gigantes que brotaban del mismo suelo en total libertad. Abril y David -que así se llaman los protagonistas- deciden seguir...

From the itsy-bitsy to the huge and hairy, kids will be drawn into the spider’s world. This book shows spiders going about their lives, including building webs, catching prey, and hatching babies.

Muchos de los conflictos que se presentan actualmente a propósito de actividades mineras, petroleras e incluso de conservación se producen por los efectos sociales y culturales, siempre complejos y muchas veces inesperados, de estas iniciativas de desarrollo.

Travel to the 22nd century in this captivating, Spanish-translated nonfiction title that allows readers to discover the future of space. Elementary readers will be fascinated with the possibilities that may await human life in the future. Readers will discover the technology that may be used to one day allow humans to live on another planet, new worlds, alien life, and artificial intelligence. Featuring vibrant photos, images, informational text, a glossary of terms, and a list of helpful websites for more explorations, children will be excited and enthralled as they move through this title....