Ondas sonoras y la comunicación (Sound Waves and Communication)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Los personajes de Peppa Pig adoran las vacaciones, ir de día de campo, al parque de diversiones o al acuario, entre otros. En este libro los niños encontrarán un despliegue de actividades con montones de vocabulario para describir lo que más les gusta hacer en los días que no tienen que ir a la escuela.

Angels Navarro nos propone un libro juego para cocinar platos deliciosos en muy diferentes combinaciones. Primeros, segundos y postres, todos exquisitos y muy bien presentados, con hermosas ilustraciones de Mariona Cabassa, har�n las delicias de los lectores aficionados a la cocina. Y tambi�n de aquellos que no la suelen disfrutar tanto y ahora encuentran una buena excusa para hacerlo. ENGLISH DESCRIPTION Angels Navarro's book proposes a game to cook delicious dishes in many different combinations. First the main dish, then desserts. All are delicious and beautifully presented, with...

Teach students the significance of the capital of the United States, Washington, DC. This Spanish-translated nonfiction book introduces readers to important buildings and monuments in Washington, DC, and helps students understand the city's importance and connection to American history. Primary source images and supporting text work together to engage young learners from cover to cover.