¡a La Luna!

"Hoy es día de cumpleaños! Felicita a los amigos que encontrarás en este libro y después, levanta las solapas y descubrirás qué les han regalado"--Back cover.

Si usted es de los que piensan que apenas hay relación entre la condición humana y las matemáticas, tiene que leer este libro. En él se encontrará con la mitología, la música, la guerra, la astronomía, la literatura... y las matemáticas viajando juntas a través del tiempo y del espacio; desde Egipto, Mesopotamia, la Grecia clásica o la Constantinopla asediada por los turcos hasta la Polonia ocupada por los nazis, Los Álamos de las primeras bombas atómicas o Hiroshima y Nagasaki. Un periplo fascinante desde el centro de la Tierra a los planetas exteriores del sistema solar, del...

What was being a farmer like in the past? Readers can find out in this Spanish book that compares farming and farming equipment of today with farming of the past. Young readers will learn about the history of farming with this book that includes details about farming tools, irrigation systems, pesticides, and organic farming. The table of contents, glossary, and index gives readers the tools they need to better understand the content.

What do a shark, a seahorse, and a ray have in common? They're all fish! Learn about the characteristics that all fish share.

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...