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...

A collection of words that turn into phrases, phrases that form verses, verses that make songs and songs that tell of adventures, jokes and mischief.

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.

"Nueva York, Berlín, París, Moscú, San Petersburgo y México son algunos de los escenarios de esta apasionante novela que se adentra en la vida del poeta vanguardista ruso Vladimir Maiakovski. Un hombre extremo, arrogante, un narcisista que no soportaba que no lo quisieran, un soñador que creía en el futuro y que vivió con una intensidad desbordante su relación amorosa con Lily Brik, permitida y alentada por su marido Osip, en uno de los triángulos más famosos de la literatura mundial. Contagiado por la personalidad de su protagonista, éste es un libro provocador, radical, regido...

When Portuguese sailor Ferdinand Magellan set sail from Spain in 1519, he believed he could get to the Spice Islands by sailing west through or around the New World. He was right, but what he didn't know was that the treacherous voyage would take him three years and cost him his life. Black-and-white line drawings illustrate Magellan's life and voyage, with sidebars and a time line that enhance readers' understanding of the period.