La represa de Itaipú

Describes how the rig was built, how it stands out in the water, and how much drilling it does in a day.

From the candiru to the lionfish, there are so many kinds of fish on Earth. While all have different methods of production, the basic life cycle is the same, from egg to spawning swimmers. Readers are introduced to this general cycle as well as the important vocabulary needed to talk about it, such as “fry” and “spawning.” Accessible language and simple diagrams throughout the book provide a way for struggling readers to tackle science curriculum content.

DISCOVER WHO LIVED IN CASTLES, WHAT THEY ATE, WHERE THEY SLEPT AND WHAT THEY DID FOR FUN. PHOTOGRAPHS COMBINED WITH COMPUTER GRAPHICS TAKE YOU INSIDE THE WORLD OF CASTLES AS NEVER BEFORE.

Practice addition at the playground! This fun title, that has been translated into Spanish, uses examples from all around the playground to help children practice their addition and understand early STEM themes. Add up two blue swings and three red swings to get five swings! Add slides, rings, jump ropes, basketballs, and more! These familiar images work in conjunction with engaging "You Try It!" problems to encourage young readers to practice and improve their addition skills.

Isabel, la Reina Católica es una interesante novela sobre la célebre monarca, fundadora de la España actual. Obra fidedignamente documentada por su autor, de ya reconocida trayectoria en la narrativa de carácter histórico, este libro se centra en la vida y obra de la Reina Isabel I de Castilla y Reina consorte de Sicilia y Aragón, por su matrimonio con Fernando de Aragón, una de las figuras más relevantes en la historia de los reinos de la Península Ibérica. Con carácter férreo y sin doblegarse jamás a imposiciones, Isabel mejoró la administración del reino, saneó las...