A la vanguardia: Adelantos en tecnología (The Cutting Edge: Breakthroughs in Technology) 6-Pack

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.

Some of the most powerful things in the world are so tiny they can't be seen with the naked eye! Readers will be amazed at what they see when they take a glance at the world of the mini but mighty in this stunningly fascinating Spanish-translated nonfiction title that features remarkable images and graphics, informational text, index, and glossary. Through these features, readers are able to explore and discover such micros as DNA, atoms, bacteria, phytoplankton, and nanotechnology items like nano-robots and microchips!

"La máxima obra gramatical y sintáctica de la lengua castellana" Herder presenta la reedición del Diccionario de Construcción y Régimen de la Lengua Castellana, iniciado en 1872 por el lingüista colombiano Rufino José Cuervo, continuado y culminado por el Instituto Caro y Cuervo de Bogotá, y considerado por los especialistas como el mayor monumento gramatical y sintáctico de la lengua castellana. En 8 tomos con más de 8.000 páginas, este diccionario describe las funciones y los problemas gramaticales de cerca de 9.500 voces, define minuciosamente cada una de sus acepciones, y...

¡Estar atento! ¡Hay un tiburón! Aprenda todo sobre este famoso depredador y vea fotografías de color de la variedad de tipos, desde un pequeño cachorro (tiburón bebé) hasta un gran blanco. Los diagramas ayudarán a los lectores a identificar las partes del cuerpo de los tiburones, mientras que las preguntas de pensamiento crítico y otras grandes características ayudan a desarrollar habilidades de lectura de no ficción. Look out! There's a shark! Learn all about this famous predator and see full-color photographs of the variety of types, from a small pup (baby shark) to a Great...

Discover how the butterflies colors are made up of, how they eat, and how they become the beautiful insect you see today

Ever wonder how a balloon is made? Follow the journey of a balloon from its beginnings as gooey sap in a tree to its completion at a rubber factory. You'll be surprised to discover what a balloon started out as and how it becomes the bright, air-filled decoration that you enjoy today.