Derecho de las obtenciones vegetales

In 1789, George Washington became the first president of the United States. With over 100 black-and- white illustrations, the fascinating story of "the father of our country" comes to life in Spanish - revealing the real man, not just the face on the dollar bill!

Los motivos que me llevaron a crear esta obra van más allá de los sentimientos comunes por los cuales se escribe a la madre, a la patria y a la tierra. El universo es el campo de acción, pues hay toda una gama de manifestaciones filosóficas que rodean el mundo del hombre, su pobreza y tristeza. El libro está estructurado en poesías que marcan el principio y el fin en la trayectoria del ser humano -sin ninguna ambición-; particularmente el autor se centra en este sentir. Se recogen los disimiles problemas por los que pasa el hombre, y se ha hecho todo un itinerario de acontecimientos de ...

Get a close-up look at animals in the zoo, from appearance to behavior to babies. This series uses vivid photos to compare life in the wild and life in captivity in terms of habitat, activity, and diet.

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.