Ángel de la guarda, no me des la espalda

Why do some things heat up quickly while others don't? How can heat cause matter to change form from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at different objects' molecular makeup, this book describes the fundamentals of heat and furthers understanding through a series of easy experiments.

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. Students will learn about the culture, history, and distinctive features of the Lakota, Cheyenne, Comanche, Pawnee, Osage, Omaha, and Crow tribes. 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 know at their grade level. ...

Got a fan of snakes, lizards, and turtles? Dig into this beginner's guide to reptiles from Cathryn and John Sill, creators of the award-winning About... series. Author and educator Cathryn Sill explains in simple language the basic characteristics that all reptiles share, while offering a look at many of the animals that fall into this diverse category, including ever-popular lizards, snakes, and turtles. The beautifully detailed paintings of noted wildlife illustrator John Sill depict reptiles in their habitats and highlight their unique aspects. An afterword provides more detail on each...

Una noche de febrero del año 1938, en Uruguay, Gabriela Mistral visitaba al escritor Emilio Oribe cuando su pequeña hija, Esther, irrumpió en la sala llevando en su mano un precioso pescadito que había encontrado junto a las rocas de una playa de Montevideo. Inspirada en lo ocurrido durante la velada de la noche anterior, la escritora entregó a Oribe este poema siendo el único que Gabriela Mistral escribiera en ese país. El 5 de febrero del año 1967, 29 años después de este viaje a Uruguay y a 10 años de la muerte de la escritora, “La niña del pescadito” fue publicado en el...