Los estados de la materia — Los gases

Did you know that liquids take the shape of their containers? If liquids get hot, they can become gases. Discover more interesting facts in Liquids, part of the States of Matter series of EYEDISCOVER books.

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

One of North America's most popular sports, skateboarding combines balance, dexterity, and quick reflexes. Kids will get the lowdown on streetstyle and vertical skating and learn about the board, safety, motion and balance, and how to perform kickturns, spins, rock n' roll, and more.

Readers will learn all about World War I, or the Great War, in this appealing Spanish-translated book that highlights how the war began in Europe as a military rivalry between France and Germany. The intriguing facts, engaging sidebars, and supportive text work in conjunction with the impressive images and colorful scrapbook layout to teach readers about such WWI topics as neutrality, alliances, propaganda, liberty bonds, communism, and how General John Pershing led Americans in the war.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

¿Adoptar un dragón mascota O adoptar un unicornio mascota? A los niños les enchant jugar ¿Que Prefieres? con familia y amigos. Este libro de juegos es divertido para todas las edades niños de 6 años, 7 años, 8 años, 9 años, 10 años, 11 años y 12 años