Exploremos los calendarios (Exploring Calendars)

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

Este libro regala a cada lector la posibilidad de vivir una vida extraordinaria fundamentada en una realidad interna llena de belleza espiritual. Con 22 consejos para embellecer tu carácter, Valeria Leys te llevará de manera clara a tomar decisiones prácticas que cambiaran tu realidad interna de manera que tu persona, tus actitudes y decisiones puedan reflejar toda tu belleza interior.

Diccionario para escolares que incluye los significados de las palabras, modelo de verbos, palabras de uso científico y tecnológico, ejemplos de uso y cultura, regionalismos latinoamericanos, etc.