¿Comen hierba los tigres?

Plants are the living things that have been on the planet longer. How do they manage to protect themselves if they can't move? Explore the different mechanisms that plants use to survive in different habitats.

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.

Estructurado en doce unidades; Enfoque comunicativo; Estudio inductivo de la gramática; Resumen nocio-funcional.

Rabbit burrows play an important part in the life of a rabbit. A burrow provides a place to live, a place to raise baby rabbits, and a place to stay safe from predators. This volume, which was written to support elementary science curricula, examines the role a burrow plays in the survival of a warren, and how that in turn helps rabbits contribute to ecosystems around the world. The text’s age-appropriate, science-rich content focuses on rabbit behavior and encourages readers to draw connections between what they learn in science class and what they see outside. This text is complemented by ...

Carlos III acaba de subir al trono de España y firma de inmediato otro Pacto de Familia con Francia. La respuesta inglesa es inmediata. Aparece sobre las costas de La Habana la mayor fuerza naval de la historia, sólo superada siglos después en el desembarco de Normandía. La Habana se apresta a defenderse con sus exiguos medios, colocando a su frente como Gobernador del castillo del Morro al capitán de navío don Luis de Velasco e Isla, el cual no defraudará las esperanzas de los españoles, iniciándose una de las batallas navales y terrestres menos conocidas de la historia de España,...