El calor (Heat)

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

¿Qué animal pesa lo mismo que 180 coches? ¿Los vampiros existen de verdad? ¿Cuál es el animal más antiguo del mundo? ¡En este divertidísimo libro ilustrado encontrarás una colección de 365 hechos extraordinarios para dejar boquiabiertos a todos tus amigos!

Tras años de estudio de los llamados misterios de nuestro mundo, el autor Pedro Silva decidió hacer una selección de una decena de hechos que a todos despiertan la mayor curiosidad. Su investigación se encaminó hacia el objetivo de proporcionar al lector las tan ansiadas respuestas a cuestiones tan seductoras como los misterios del Antiguo Egipto, las civilizaciones maya, azteca e inca o la relación que existe entre Lucifer y su diabólica compañera Lilith. El ensayista Pedro Silva va todavía más lejos, desvelando la noción de Paraíso existente en las más diversas culturas. Por...

This book has been created with the intention of reconnecting with the ancient Mesoamerican civilization known today as Aztecs, and their language, while also cultivating both English and Spanish.