Tras las huellas del ADN

Los murciélagos tienen un grave problema de relaciones públicas entre los humanos, pero la verdad es que es una enorme injusticia. No sólo son inofensivos sino muy importantes para los ecosistemas, y además son lindos (muchos de ellos). Esta original novela gráfica cuenta todo lo que hay que saber sobre las distintas clases de murciélago gracias a la aventura de un pequeño murciélago del desierto de Sonora que debe recuperarse de una herida en un centro de rehabilitación especializado. Allí aprenderá más sobre sí mismo y sobre esta asombrosa clase de mamíferos voladores: la...

Maps of the different regions of the world show their geographic, cultural, and economic features. Includes text describing the individual coutries.

How do you truly engage students in learning history? When students make personal connections to the subject, they're much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. This primary source biography focuses on the life and times of Junípero Serra, the Franciscan missionary who created missions that stretched from San Francisco to San Diego. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to ...

How are crayons made? Clear wax is melted in a factory. Once it's melted, color is added to it, it is poured into crayon-shaped molds, cooled, and wrapped in a paper label. Sorted into sets, the brightly colored crayons are boxed and sent in trucks to stores to be sold to you.