Academia de Inventores

Hace más de 8000 años, el hombre empezó a crear y a descubrir nuevas formas de vida para poder subsistir, nuestros ancestros inventaron herramientas y útiles de caza, descubrió el fuego, posteriormente inventaría la rueda, que ha sido uno de los inventos más útiles de la Historia. Este libro es un diccionario enciclopédico en el que vienen recogidos unos 2.200 inventos de todas las épocas, inventos que la mayoría le resultarán desconocidos al lector. Hasta el día de hoy, no se había publicado un listado de inventos tan extenso y detallado como el contenido en este diccionario....

These stocky, sturdy board books are perfect for little hands and stand up to lots of page turning as toddlers discover the amazing world of the farm.

Cyclists Zoe and Kate are friends and athletic rivals for Olympic gold, while Kate and her husband Jack, also a world-class cyclist, must contend with the recurrence of their young daughter's leukemia.

In the United States, the ability to take informed action is becoming increasingly necessary, and difficult. This book delves into the importance of being informed and explains how not all sources of information are equal. Readers are introduced to the scientific method as a way of testing information for credibility. Students will also learn how to turn credible information into action by forming groups, protesting, contacting elected representatives, and possibly even running for office themselves someday.

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...