La proclama de emancipacion

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

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

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Many people know that Benjamin Franklin discovered electricity through lightning, but he was also a great inventor and helped write the Declaration of Independence! Young readers will learn about Franklin's life in this appealing biography that has been translated into Spanish and features plenty of vibrant images, supportive text, "Fun Fact" boxes, and an accommodating timeline, glossary, and index. This 6-Pack includes six copies of this title and a lesson plan.

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Dirigido a estudientes de ESO y Bachillerato, este manual ofrece modelos de comentario de texto que se basan en tres principios: lectura comprensiva, redacción correcta y debate.

Esta obra reúne textos escritos por Andrés Lira sobre el exilio español y los maestros de ese exilio, como: José Medina Echavarría, José Miranda, Ramón Iglesia, Juan Antonio Ortega y Medina, Eugenio Ímaz y José Gaos, quienes han formado parte tanto de la Universidad Nacional Autónoma de México como de El Colegio de México.