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...

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

A young boy tries to help his younger brother, whose mind and body has become occupied by another boy, a young soldier in Saddam Hussein's army during the Persian Gulf War.

Take a bat, a ball, a mitt, and a warm summer day. Put them all together and you've got the great game of baseball! From the basic rules of baseball to All-Star Games, the first World Series, and the Hall of Fame, readers learn all about America's national pastime in this Spanish-translated nonfiction title that features plenty of colorful images, timelines, charts, and informational text.

Un gigantesco depredador ha destruido el embarcadero de Wala wala, y Bizcoché, Dani y Evan se sumergen en las oscuras aguas del Santuario para descubrir qué es. A bordo de Canelo 1, el sumergible que ha inventado el profesor, explorarán las profundas aguas jurásicas. Verán mosasaurios, megalodones, plesiosauros... ¡y al temibe Depredador X! ¿Podrán escapar? ¡Descúbrelo en esta trepidante aventura!