Preocupación

This book provides an introduction to the Spanish language, showing where it is spoken and who speaks it, differences and similarities between Spanish and English, and introducing some key basic vocabulary and phrases.

When a Roman widow, Cartila, shows unusual interest in Flavia's father, Flavia decides to discover Cartila's true motives by performing twelve tasks, just like the Greek hero Hercules.

This is a story about a little girl who has questions about the moon. Through a fictional story, she discovers the answers with scientific exploration and examples illustrated through the story.

Cuando Arthur Miller escribe y estrena en 1955 Panorama desde el puente es, sin duda, un autor ya consagrado tanto en Estados Unidos como en el resto del mundo. Una vez más, el dramaturgo norteamericano sigue empeñado en mostrarle al hombre contemporáneo quién es y cómo vive, y le invita a reflexionar sobre quién podría ser y cómo podría vivir. Esta obra tiene su origen en una historia que Miller escuchó mientras trabajaba en los astilleros de Brooklyn: un estribador había denunciado a dos hermanos ante las autoridades de Inmigración. El tema de la inmigración es justamente el...

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...