Lewis y Clark y la compra de la Luisiana (Lewis and Clark and Exploring the Louisiana Purchase)

El libro que explica a los niños qué es la constitución de una forma dinámica y asequible. Escrito por Javier Pérez Royo, jurista, experto en la constitución española y actual divulgador de la ley. «Constitución» es una palabra que todos conocemos. La hemos oído miles de veces, en la televisión, en la radio... Sabemos que es algo importante porque, a menudo, se habla de proteger la constitución, de respetarla o de preservarla. Pero ¿qué es la constitución? Si tuviéramos que explicárselo a un extraterrestre que viniera de visita, ¿qué le diríamos? Por medio de ejemplos...

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

On July 20, 1969, Neil Armstrong made history by becoming the first man to ever walk on the moon! Readers will be engaged from cover to cover as they learn about Armstrong's inspirational career as an astronaut in this biography that features additional information on gravity, NASA, and the moon landing. The vivid images work in conjunction with the supportive text, timeline, glossary, and index to allow for better understanding of the content. This 6-Pack has been translated into Spanish and includes six copies of this title and a lesson plan.

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.