La compra de Luisiana (The Louisiana Purchase)

Swamps are one kind of wetland biome. Like other wetland biomes, a swamp’s water must be clean in order for the wildlife in it to thrive. Readers learn the main features of both freshwater and saltwater swamps, as well as where some of the biggest swamps are on Earth. Science curriculum topics such as food chains and conservation make the main content a great complement to classroom learning. Full-color photographs and inset maps aid readers in identifying this interesting biome in the world around them.

Capoc, un indio zapoteca, ve ante sus ojos cómo un pequeño grupo de seres extraordinarios acaban con el imperio azteca.

En las paredes de su cuarto no hay fotos de futbolistas. En su equipo de música no suenan cantantes clónicos ni ritmos prefabricados. En sus estanterías no se acumulan medallas deportivas. En su armario no guarda ropa de marca, confeccionada siguiendo la última moda. En clase escucha y toma apuntes... ¿Es motivo suficiente para llamarle "Eskoria"?

José Antonio Navarro was the most renowned Tejano of his generation. He fought valiantly for Texas' independence from Mexico, became a respected statesman, and even helped write the Constitution of 1845. This biography will inspire your young readers.

In 1876, France decided to give the United States a very big and very special present--the Statue of Liberty. The gift was to commemorate the 100th birthday of the United States, and just packing it was no small feat--350 pieces in 214 crates shipped across the ocean. The story of how the 111-foot-tall lady took her place in the New York Harbor will fascinate young readers.