La carta de derechos

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Follows the adventures of Max Axiom as he explains the science behind forces and motion. Written in graphic-novel format.

Read Along or Enhanced eBook: Using helpful maps, charts, and intriguing facts in conjunction with vibrant images and informational text, this fact-filled, Spanish-translated nonfiction title allows early elementary readers to explore the lush rainforests of the world. Readers will learn make their way from the forest floor to the understory, all the way to the canopy!

Las tres sátiras menipeas que compuso Bartolomé Leonardo de Argensola son ejemplares en su concepción y en su escritura. Las antecede su poco conocido discurso sobre la sátira, género predilecto de Bartolomé y de los humanistas del xvi. La presente edición hará que circulen nuevamente estas obras preteridas del «filósofo en verso», impresas solo una vez en 1889 por el conde de la Viñaza. En las notas complementarias y la introducción se ha tratado de reconstruir en detalle los contextos históricos, filosóficos y literarios de estas sátiras para que el lector del siglo xxi se...

FIND OUT HOW PEOPLE BECAME KNIGHTS, AND WHAT KINDS OF WEAPONS THEY USED AND WHAT KNIGHTS DID WHEN THEY WERE NOT FIGHTING. THIS NEW USBORNE DISCOVERY BOOK, WITH AMAZING PHOTOGRAPHS AND COLORFUL ILLUSTRATIONS, EXPLORES IN FASCINATING AND SOMETIMES DESCRIPTIVE DETAIL HOW KNIGHTS LIVED, DIED, AND EVENTUALLY DIED OUT ALTOGETHER.