Pasando páginas

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.

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

From the water they drink to the trees they climb, kids are connected to the natural world in big and surprising ways. With simple, poetic text and exquisite artwork, this book does more than introduce kids to these connections. It sparks their imagination. It starts conversations, and it delights all ages. Combining the ideas of environmental author Elin Kelsey with the inventive three-dimensional dioramas of artist Soyeon Kim, this remarkable picture book reveals ties that are often sensed yet seldom explained. And in a world dominated by technology, never have these incredible connections...

«Soy tibetano, uno de los pocos que han llegado a este extraño mundo occidental», ha escrito Lobsang Rampa. «Me aseguran que algunas de mis afirmaciones es posible que no sean creídas. El Tibet es un país desconocido para el resto del mundo.». La obra de Lobsang Rampa ha dado la vuelta al mundo con éxito extraordinario. Hasta que, por asombro de todos, llegó la noticia sensacional: el hijo de un fontanero inglés reclamaba la paternidad del original. Sin embargo, después de las más fantásticas suposiciones, sigue en pie una hipótesis mucho más verosímil: su autor era un...