Las estrellas (Stars)

What continues to expand to take up all the space it can? Gases! Gas is a state of matter, like a liquid or a solid. But it has properties that are quite different. In this Spanish-translated book, read all about the differences and what makes a gas a gas.

In this Spanish title, learn about what makes endangered jungle animals so unique and why they need to be protected.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

In a dream, Joaquín meets various animals and discovers that they have very different tails which prove very useful to them.

The Spanish-language edition of The Skeleton Inside You explores the wonders of humans' more than two hundred bones and how they keep people standing upright and walking forward. Simultaneous.

For use in schools and libraries only. Say Curtis describes his meeting with Pinkus Aylee, a black soldier, during the Civil War, and their capture by Southern troops. Based on a true story about the author's great-great-grandfather.

La idea de escribir este libro surgió al leer una publicación que vi, hace ya un tiempo, en la que se hablaba de historia y se trataba de forma «científica», según el autor de dicha publicación. Este señor venía a decir que en la época del emperador Trajano se construyeron los primeros castillos de España..., la verdad es que me quedé “de piedra”, y sin palabras y casi sin aliento, pensar que un afamado historiador pudiese hacer esas afirmaciones y quedarse tan tranquilo, me dio que pensar en el sinfín de errores históricos que hemos dados por buenos y de los cuales...