Hacia un mundo verde

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

Explains The Early History Of How The Bill Of Rights Came To Be And How It Is Used To Protect Citizens.

Tristán, Guillermo y Violeta viajan a Yucatán en pos de un tesoro perdido. Están dispuestos a vivir grandes aventuras, pero lo que les espera es digno de las mejores novelas de aventuras.

En El fascinante mundo de... las aves rapaces descubrirás la rápida garra acuática del águila pescadora o la alucinante caída en picado, a 200 km por hora, del halcón peregrino en busca de su presa. Verás el preciso planear del buitre oteando la carroña o te sorprenderás de la habilidad del alimoche cuando utiliza una herramienta para conseguir su comida... y muchas cosas más sobre su fascinante mundo.

Ideal for young children. Sturdy books that will stand up to wear and tear with full-color illustrations and clear, simple text. Each one has a convenient carry-along handle.

In 1833, American and Tejano colonists wanted independence from the Mexican government. Through a bloody Texas Revolution, the independent Republic of Texas was born! Readers will be enthralled as they make their way through this exciting and compelling book that has been translated into Spanish. This book uses vivid images, intriguing facts and sidebars in conjunction with easy-to-read text and an accessible glossary and index to enlighten readers about such things as the Law of April 6, 1830, the Battle of Gonzalez, the Siege of Bexar, "The Consultation", and The Alamo. Along with these...