El ciclo del nitrógeno (The Nitrogen Cycle)

Spanish Language Discover Series Books for Babies & Toddlers: Pets Who wants a pet? Just because you know you'll be the one to take care of your child's pet, doesn't mean you have to stop them from dreaming. Cats, dogs, hamsters and horses--there's a pet for everyone in this book. Each page features a beautiful photo of a pet with a simple title beneath. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce farm animals, their sounds and colors to kids. In this Xist Kids Spanish Edition, Spanish text brings the story to new audiences. This book is in...

Esta obra reúne textos escritos por Andrés Lira sobre el exilio español y los maestros de ese exilio, como: José Medina Echavarría, José Miranda, Ramón Iglesia, Juan Antonio Ortega y Medina, Eugenio Ímaz y José Gaos, quienes han formado parte tanto de la Universidad Nacional Autónoma de México como de El Colegio de México.

Luci ha decidido cazar las moscas que, zigzagueando entre las páginas de su cuaderno de tareas, le impiden concentrarse. Usará una red tejida con palabras y silencios: la red de sus versos. Poco a poco, los insectos que la niña atrapa en su poema invaden su imaginación: la radio zumba, su hermana es una larva, las gafas de su abuela son ojos de múltiples facetas; ella misma sabe volar, transformada en mosca de alas frágiles por el poder de la poesía. Los versos de este poemario zumban y cabriolean, invitando al lector a acompañar a los insectos - y a Luci - en su vuelo caprichoso.

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.