La proclama de emancipacion

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Material de Lectura del proyecto SM para faciliar el desarrollo de las habilidades lectores acorde con la propuesta metodólogia cel proyecto. Contiene: textos narrativos, poesías, textos dialogados y de teatro, y cuentos de cumpleaños de Ricardo

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It makes STEAM career connections by...

This historical novel will fascinate young readers as they learn about Mayan customs and lifestyle. A glossary of Mayan terms and authentic drawings will help children understand this highly advanced culture. Text copyright 2004 Lectorum Publications, Inc.

El valenciano Ibn Yubayr, al escribir las impresiones de su viaje y redactarlas cuidadosamente, se convirtió, en el siglo xii, en el fundador del género literario de las letras arábigas conocido como la rihla o relación de viaje. Pronto, este viaje modélico sería considerado la obra maestra del género, siendo imitada durante siglos pero sin llegar a ser igualada. Ninguno de sus seguidores nos ha transmitido un cuadro tan acabado y tan vivo de los principales centros del Oriente árabe (Alejandría, El Cairo, La Meca, Bagdad, Damasco...). Ninguno ha dejado descripciones más precisas de ...