Siglo XXII: El futuro del espacio (22nd Century: Future of Space)

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging nonfiction title that has been translated into Spanish. This title features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

Profiles Phoebe Ann Moses, the star sharpshooter of Buffalo Bill's Wild West show under the name Annie Oakley, who began shooting to help feed her family after her father's death.

Uno de los objetivos de esta obra es mostrar y explicar las dificultades que el culto a la Virgen de Guadalupe tuvo que enfrentar para asentarse como principal en las creencias de los indígenas mexicanos, primero, y de todos los habitantes de Latinoamérica después, pese a su mensaje de reconciliación y de amor para todos nosotros; dificultades que empiezan en el hecho de que Juan Diego se negaba a darse a conocer como noble y se decía macehual, es decir, plebeyo, empeñado en seguir el ejemplo de humildad de Nuestro Señor, que nació en un pesebre y fue carpintero pese a ser...

What are aircraft? -- What do aircraft look like? -- What are aircraft made of? -- How did aircraft look long ago? -- What is an airplane? -- What is a jet? -- What is a helicopter? -- What is a glider? -- Quiz -- Picture glossary.

La historia de Robinson Crusoe se ha contado muchas veces pero nunca desde el punto de vista de los animales que viven en la isla. Los animales se van cediendo la palabra, desde Yaguatirica, el gato montés, que es quien encuentra a Robinson, a la tortuga que le enseña a comer sabrosos gusanos. Según los animales, Robinson, a quien ellos llaman “Tinga” por su color blanco, era un inútil que no hubiera sobrevivido sin su ayuda. Todo cambia el día en que llega Taiguara, es decir “Libre”, al que Robinson se empeña en llamar Viernes.