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.

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

Spanish speakers can now learn the truly inspiring story of the first Latin Supreme Court Justice. Los hispanohablantes pueden ahora conocer la historia verdaderamente inspiradora de la primera jueza latina del Tribunal Supremo. Outspoken, energetic, and fun, Sonia Sotomayor has managed to turn every struggle in life into a triumph. Born in the Bronx to immigrant parents from Puerto Rico, Sonia found out at age nine that she had diabetes, a serious illness now but an even more dangerous one fifty years ago. How did young Sonia handle the devastating news? She learned to give herself her daily ...

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.

Acostarse, bañarse, dejar de utilizar el pañal o comer suelen ser actividades dificultosas para los niños y, a menudo, preocupan a los padres. Ahora, los mayores y los pequeños aprenderán a desarrollar actitudes positivas ante estas situaciones; los más pequeños lo pueden hacer a través de cuatro historias de niños que, como ellos, se resisten a crecer. Además, los cuentos incluyen valiosos consejos para facilitar la tarea de los padres.