Viaje Al Sol (a Trip to the Sun) (6pack)

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

En uno de sus más famosos casos, Sherlock Holmes y el doctor Watson se enfrentan a una serie de misteriosas muertes producidas, en apariencia, por un perro fantasmal que persigue a la familia Baskerville. ¿Conseguirá el detective resolver este enigma? Una versión sorprendente de la novela de Arthur Conan Doyle en formato cómic y con pop-ups.

Magnitud imaginaria, piedra de toque de la famosa «Biblioteca del Siglo XXI» y heredera de la aclamada «Vacío perfecto», es otro ejemplo delirante del genio de Stanis&ław Lem. Artistas que realizan pornografía mediante el uso de rayos X, científicos que cultivan bacterias que se comunican en código Morse y son capaces de predecir el futuro, vendedores de enciclopedias «de cuarenta y cuatro magnetomos» en las cuales está escrita la historia que aún no ha acontecido, inteligencias artificiales que crean obras de autores tan intocables como Dostoievski y que ni ellos mismos se...

A family wants to share a pizza, but who gets how much? And how do they know? The answer is mathematical equations! Mathematical equations can be applied to food measurement, the human body, and even outer space! Students will answer different questions on mathematical equations in the book Comenzó con una pizza (It Started With Pizza). Used in the classroom or at home, this Spanish text includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.