Heroes y villanos / Heroes and villains

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...

This novel tells the remarkable story of an unusual community of Siberian bandits who are the opponents to Stalin and deported to Transnistria, a long section between Moldova and Ukraine, even today no man's land, ravaged by corruption, organized crime and smuggling. There grew up Nikolai proud to recognize no other authority than his elders and defining themselves as honest criminals.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It ...

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!