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.

Imagine getting ready for bed when the sun is still shining, or eating lunch when it’s dark outside. How are such things possible? Learn how people in places such as Alaska, Norway, Iceland, Sweden, and Canada cope with days and days of sunlight and darkness. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career...

Despues de ocho anos de su ultima obra, y siete anos despues de la publicacion de su poesia reunida, Andres Sanchez Robayna ofrece a sus lectores su nuevo y esperado libro. Como Morandi o los pintores esencialistas a la manera de Cezanne, Sanchez Robayna encuentra en los objetos, en su perfil y en la luz que proyectan, en los estimulos que configuran un momento irrepetible, ocasion para explorar los signos de la naturaleza, las claves de lo real. Sus poemas, en una lengua exacta, sin condescendencia o lo retorico, logran descigrar el mundo, elevarse sobre lo cotidiano y rozar la esencia, lo...

Lánzate a la aventura con Spidey, Ghost-Spider y Miles mientras luchan contra el Duende Verde, Doc Ock y Rhino, y se alían con fantásticos amigos como Pantera Negra, Hulk y Ms. Marvel. Mi primer cómic es una serie hecha para niños entre 5 y 8 años, ya sean lectores independientes o principiantes. Estas historias cuentan con textos sencillos, viñetas claras y entretenidas historias sobre sus personajes favoritos

La teoría de conjuntos es una rama de las matemáticas, y cuya dedicación de este capítulo, es gracias al matemático, Ferdinand Ludwing Philipp Cantor, quien es considerado el padre de la Teoría de Conjuntos, debido a ello, es que, en el año 1874, salió su primer trabajo revolucionario, con respecto a la teoría de conjuntos.