En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

Extraordinario documento histórico. Un diario de viaje sobre la primera circunnavegación de la Tierra en 1522, realizada por Fernando de Magallanes y Juan Sebastián Elcano. Adaptación realizada para lectores a partir de 13 años. Esta adaptación sigue el texto original, pero no es un resumen ni una mera ¡ transcripción modernizada. Reduce pasajes o informaciones irrelevantes que harían premiosa la lectura. La mayor intervención afecta a la sintaxis. La hechura y la extensión de la frase original se aligeran para facilitar la lectura fluida. Los diálogos indirectos pasan a ser...

Few natural forces seem as much like magic as magnets. Perhaps that’s why magnets are so fun! Young scientists will love learning about amazing magnets, both natural and man-made. They’ll discover how magnetism is harnessed to help us in many ways. This STEM-supportive volume contains comprehensible text and photographs of students and scientists utilizing magnets. It also includes a simple, fun concluding activity to encourage readers to use this super science tool themselves.

Describes tornadoes, how they form, and the tools scientists use to predict them--in both English and Spanish

Now available in a Spanish language edition, this charming board book was originally published in English by Barron's in Spring 2003, titled My Own Human Body. It explains the human body in a series of words and pictures that are simplified for preschool boys and girls. The heavy board pages are die-cut in the shape of a smiling little boy. When kids lift the front cover, they remove his shirt and see the location of his heart. The text gives a simple explanation of how the heart pumps blood through the entire body. As kids turn successive pages, they observe the human body's interior and...