El cerebro (Brain)

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Practice addition at the playground! This fun title, that has been translated into Spanish, uses examples from all around the playground to help children practice their addition and understand early STEM themes. Add up two blue swings and three red swings to get five swings! Add slides, rings, jump ropes, basketballs, and more! These familiar images work in conjunction with engaging "You Try It!" problems to encourage young readers to practice and improve their addition skills.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

What does this Spanish-translated book, a table, and your big toe have in common? They are all solids! A solid keeps its shape and always has the same volume. Read this Spanish-translated book to learn about solids and how they are different from liquids and gases. This 6-Pack includes six copies of this title and a lesson plan.

Todavía hoy existe una clara reticencia, por parte de muchos estudiosos, a reconocer el importante papel que las mujeres han jugado en el desarrollo del género fantástico y de terror, bien como lectoras o como creadoras, ignorando la larga tradición de escritoras especializadas en esta narrativa, particularmente en la cultura anglosajona. Aunque fueron dos hombres, Horace Walpole (1717-1797) y Matthew Gregory Lewis (1775-1818) quienes «inventaron» la ficción gótica con sus clásicas historias El castillo de Otranto y El monje –números 10 y 3 de la colección Gótica–, el género...

What has a striped tail, red fur, and long, white whiskers? If you guessed a red panda, 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 children with key...

Un día el hombre creó, a partir de piedras y palos, su primera herramienta, y desde ese día comenzó a transformar el mundo con su trabajo. Lo que primero fue piedra más tarde sería martillo, así como las cavernas se convirtieron en rascacielos. La historia es una lección de humildad. Los hombres y mujeres que aprendieron del pasado y pudieron soñar y construir un futuro mejor fueron aquellos que no se vivieron como individuos aislados, sino formando parte de una gran tarea colectiva: la aventura de la humanidad.

«Las novelas de Colin Harrison no se leen: se devoran.»The Philadelphia Inquirer «Harrison domina como nadie el clima y la ambientación.» MICHIKO KAKUTANI, The New York Times. «[Harrison es] el mayor especialista de la novela urbana.» Entertainment Weekly Cuando una noche Jin Li, una atractiva mujer china que vive en Nueva York, acepta ir a dar una vuelta en coche hasta Brooklyn con dos chicas mexicanas sin papeles, poco podía pensar que minutos después tendría que echar a correr para salvar su vida. ¿Por qué? Porque Jin Li no es exactamente lo que parece. Entre las personas que...