Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

Palmira Gadea, una aristócrata sevillana, ha vivido al resguardo de su precioso y cuidado jardín. Ese orden artificial se ve invadido por el inexplicable desorden del mundo que lo rodea. En ese más allá del jardín hallará una realidad viva, infinita, feroz pero enriquecedora, en un lugar donde jamás pudo imaginar que habría de encontrarse con su postrero y más grande amor, y con su serenidad última.

Ideal for English language learners, this Spanish-language series provides a lively first look at people and countries around the world. The simple text is supported by large, colorful photos. Titles feature an overview of each country's people, land, weather, homes, food, and lifestyle.

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.

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to page, what a fish is unfolds in vocabulary call-outs, insightful questions, and relatable...