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When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

José Martí was barely 16 years old when he began to fight for the independence of his homeland through his writing. At 17 he was declared an enemy of Spain and sentenced to six years of prison and hard labor. But that did not stop him. Martí dedicated his life to defending Cuba's right to independence. Today he is remembered and honored as a man of integrity--brilliant and courageous--and as a lover of freedom and peace.

Esta novela aborda el drama de la guerra civil y el de miles de pequeñas guerras civiles. Historias personales (una por cada víctima y verdugo) que tuvo lugar cuando la contienda terminó y se impuso un silencio que duró medio siglo, bajo el cual palpitaban el dolor, los remordimientos, los recuerdos…

You've probably heard of lions and tigers. Perhaps you've seen them at the zoo. But have you heard of the clouded leopard? This shy member of the cat family is an endangered species. Their shyness makes studying them a challenge for zookeepers and scientists. Find out why they are so special, and why they need our help. 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...