Fast Slow

Clues about the lion's physical characteristics, behavior, and habitat lead the reader to guess what animal is being described. Presented in English and Spanish. Presented in English and Spanish.

Segunda edición, revisada, de este texto pedagógico, claro y coherente, concebido como un medio para aprender español como lengua extranjera pero cuyas propuestas descriptivas inéditas de la gramática le hacen también interesante al nativo. Su objetivo es acelerar al máximo el proceso de aprendizaje. Obra original que se echaba en falta para poder llevar a cabo una buena labor docente.

An asteroid hitting Earth may sound like science fiction, but it is a real danger. This book explores what the different scenarios might be and how we can prepare ourselves in case such a disaster should occur.

Discusses the life and work of French soldier and political thinker, Marquis de Lafayette, and his role in the American Revolution.

Mysterious ancient ruins, hidden deep in the jungle of southern Mexico In May 1840, explorers John Stephens and Frederick Catherwood road their mules along a steep, muddy jungle path. They were hoping to find the ruins of an ancient, deserted site in Mexico they knew only from visitors’ accounts. Through the trees, they spied the remains of a crumbling stone palace. Palenque! In the weeks they spent there, the men discovered intricately designed buildings and mysterious glyphs, or symbols. Who built this city? What did the glyphs mean? The questions remained largely unanswered until the...