El magnetismo (Magnetism)

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...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.

Biología sin pérdida de tiempo, para maestros y alumnos con prisa, volúmenes I y II, son libros electrónicos creados por médicos y biólogos ampliamente calificados, que han dedicado su vida a la docencia y la investigación. La finalidad de estos libros es proporcionar al docente contenidos sintetizados del programa de biología, libres de información superflua o baladí. Además, incluyen un extenso banco de preguntas con respuestas de opción múltiple, que permiten preparar exámenes con sólo copiar y pegar los reactivos elegidos, así como calificarlos con mucha rapidez, lo cual...

Los personajes de esta colección, un dragón, una momia y el capitán de la isla Calavera, han escondido sus tesoros. Llegar hasta el final de la aventura para encontrarlos no será nada fácil. Unas historias llenas de aventuras y criaturas espeluznantes. ¡Cuidado!, porque pueden asomar la cabeza entre las páginas.

En este tomo de "Animales Salvajes" conocerás diferentes aspectos de la vida de las cabras: donde viven, de qué se alimentan... A través de soberbias fotografías podrás descubrir las principales características de las distintas especies: su pelaje y el tamaño y forma de sus cuernos, básicamente. Verás, también, los combates entre machos para conquistar a las hembras.

A magnificent graphic novel in which Alfonso Casas parks the irony and offers us all his tenderness. Often the past leaves loose ends, issues to solve, questions that pursue our future. This is what happens to the protagonist of this book, Dani. Just before getting married, under the pretext of a photographic project about the passage of time, he travels to the coastal town where he used to spend his summer during his childhood. A place that he has not stepped on for twenty years and that, as the story progresses, reveals the importance he acquired in his life, because there he discovered,...