Aviones del pasado (Planes of the Past)

Aircraft carriers are truly the fortresses of the sea! Students will get an inside–out view of these incredible floating cities, from how they are constructed to how they function as important parts of a country’s defense. Students also will learn about the various aircraft that are on board and the crew that keeps aircraft carriers in ship shape!

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

Manual de campo para descubrir aves y pájaros. Observar y reconocer las aves en su medio natural, en libertad, diferenciarlas por el color y forma de su plumaje, por la silueta que tienen en vuelo o por su canto es una experiencia magnífica para realizar en familia, durante cualquier estación del año y en cualquier lugar de la península Ibérica. Esta guía de aves y pájaros presenta las 50 variedades de aves más comunes en nuestros humedales, bosques y riberas de ríos y estanques, litorales marítimos y extensas áreas de diferentes cultivos agrícolas, así como en algunas zonas...

Enter the world of oceans and the animals that live in them. Swim with jellyfish, wonder at the busy life of a seagrass meadow, and fence with narwhals. Fish, sharks, whales, and invertebrates swim through the pages of this colorful ocean book, which combines gorgeous illustrations and photos to help young enthusiasts learn all about the world's oceans. From glowing jellyfish to deep sea dwellers, they'll discover the incredible secret world of life under the sea. They'll also find out how they can help take care of the ocean themselves. Earth's Incredible Oceans, written by ocean expert Jess ...