Exploremos los calendarios (Exploring Calendars)

El catálogo de no ficción de Rivet, que abarca desde libros de introducción a la lectura hasta títulos que profundizan en las maravillas del mundo, fascina a los lectores más jóvenes. Todas las formas que tengo de hacer ejercicio, que forma parte de la serie Puedo hacerlo solo, es una lectura de nivel 2 que alimentará la curiosidad de los lectores por los temas Creciendo y hechos de la vida.

All Spanish Prepositions This book is intended to explain how to use the 23 prepositions existing in the Spanish language to students of Spanish as a second language or to Spanish native speakers who want to acquire, refresh or improve their knowledge on this topic. Studying prepositions in any language is one of the hardest tasks because there are several rules to follow as well as some exceptions. The various rule categories are explained for each preposition along with numerous examples. These examples cover different contexts to give the reader multiple usage options of the language...

Cartoons and text provide a humorous look at revolutions and revolutionaries around the world throughout history.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. Theyll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!