Julio Gálvez y la piedra de Huamanga

Una enciclopedia visual esencial para conocer el impresionante mundo de los minerales, las gemas, las rocas y los fósiles de nuestro planeta Más de 1.000 impresionantes fotografías muestran con gran detalle las maravillas naturales de la Tierra. Las propiedades únicas de los minerales se describen detalladamente, junto con sus usos en el arte, la industria, la arquitectura y la ciencia. Un viaje geológico extraordinario para descubrir las rocas arcoíris, los minerales fluorescentes, los diamantes de valor incalculable y las lluvias de meteoritos. Conoce a los dinosaurios para comprender ...

Sinopsis: Películas, poemas, pinturas y anécdotas de sus vidas, obras, amores y odios en la Residencia de Estudiantes. Una rigurosa y sostenida labor de muchos años, con el apoyo de abundantes documentos inéditos y de una depurada consulta de materiales y testimonios.

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...

Born into slavery, Frederick Douglass relied on his own determination and ingenuity to carve a path to freedom. Once free, he dedicated his life to improving the lives of others and fighting for justice and equality. This inspirational Spanish biography uses primary sources to engage students in learning about the fascinating life of Frederick Douglass. Students will build their literacy skills as they are immersed in social studies content. Text features include a glossary and an index to increase comprehension and academic vocabulary.