Experimentos para todas las edades

En palabras del propio Octavio Paz "este libro se fue haciendo poco a poco a través de los años, sin un plan fijo". La edición que hoy se publica se fue gestando durante más de cincuenta años y el título, "Libertad bajo palabra", nombra varios textos publicados a lo largo de la vida del poeta. Un libro que es también una vida, tal como su autor la ha reescrito sucesivamente. La colaboración del propio Octavio Paz, aclarando problemas del texto y señalando las fuentes de algunas alusiones, ha sido definitiva para el establecimiento de esta edición. -- From publisher's website.

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Whether you call your January 6th celebration El Dia de los Reyes or the Feast of the Epiphany, you're celebrating a day dedicated to the three kings. Sometimes called the three wise men or the magi, these figures are part of the Christmas story and often appear in nativity scenes during this time of year. In some places, they're more important than Santa Claus. In this volume, readers discover the history of the three kings' story as well as how they are celebrated in cultures around the world today.

This book teaches about different foods using simple raised die-cut shapes on a left-hand page mirrored in the scooped-out forms of the right.