La compra de Luisiana (The Louisiana Purchase)

Swamps are one kind of wetland biome. Like other wetland biomes, a swamp’s water must be clean in order for the wildlife in it to thrive. Readers learn the main features of both freshwater and saltwater swamps, as well as where some of the biggest swamps are on Earth. Science curriculum topics such as food chains and conservation make the main content a great complement to classroom learning. Full-color photographs and inset maps aid readers in identifying this interesting biome in the world around them.

Descubra por qué Selena, la reina de la música tejana, ¡se convirtió en una de las artistas méxico-americanas más célebres del siglo XX! Discover why Selena, the Queen of Tejano music, became one of the most celebrated Mexican-American entertainers of the twentieth century in this Spanish edition of the WHO HQ series! De joven, Selena Quintanilla cantaba en un grupo llamado Selena y Los Dinos con su hermano y su hermana. La familia actuaba en ferias, bodas, fiestas de quince años y en las esquinas de su Texas natal. Selena aprendió a cantar en español y pronto se hizo muy popular...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of simulations. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how simulations work in the real world. In this book, readers learn about American Revolution reenactment and how it simulates events from the past. This nonfiction ...

A finales de 1938, Manuel y su madre enferma intentan alejarse del hambre, el frío y los bombardeos que sacuden la ciudad de Barcelona. En su huida hacia el exilio tendrán que recorrer un largo camino salpicado de peligros y sinsabores. Manuel, solo y al límite de su resistencia física, conseguirá sobrevivir gracias a la amistad y generosidad de héroes anónimos que se cruzan en su camino.

What has a scruffy tail, soft fur with dark spots, and a short, spiky mane? If you guessed a spotted hyena, you're right! This book introduces early readers to a mystery animal by describing its features, one by one, using short simple sentences and eye-popping full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals--one clue at a time! Fast facts and habitat maps at the end of the book provide...