La Verdadera Ciencia de la Invisibilidad

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...

Procurar buenos hábitos de higiene —como lavar las frutas y verduras, lavarse las manos antes de comer y después de ir al baño, y beber agua pura y simple— resulta importante para prevenir enfermedades gastrointestinales. Esto es lo que la niña protagonista de este cuento aprende cuando está a punto de cruzar la delgada línea entre la vida y la muerte.

GRADES PK–2: This 16-page Spanish title (8'' x 8'') introduces early readers to the spotted hyena: how they find food, interact with social groups, and more! FEATURES: Simple Spanish text and vivid photos present fascinating facts about an amazing African animal. Comprehension questions are included to advance learning. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. BUILD A LIBRARY: Collect every title from the collection to stock your home or classroom library. Reading together is a great...

A dictionary tailored for the Latin American market is an ideal supplement to the middle school curriculum and includes up-to-date definitions, example sentences, synonyms and antonyms, and more. Original.