Los estados de la materia — Los gases

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.

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 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.

An award-winning, educator-approved first book on birds. In this simple volume, educator and author Cathryn Sill uses clear, easy-to-understand language to teach children what birds are, what they do, and how they live. Noted wildlife illustrator John Sill provides beautifully detailed, realistic paintings to showcase the birds' diverse and natural worlds, and an afterword provides more details about each bird and inspires further learning.

Garrapata, hombre barrigudo y con una pata de palo, es el terror de los ciudadanos de Londres, aunque por dentro es una buena persona. Un día le proponen que capitanee un barco pirata y no se lo piensa... se ha transformado en el Pirata Garrapata. ¿Qué divertidas peripecias le esperarán en el futuro? Original historia sobre un pirata gruñón que hará disfrutar con sus aventuras y viajes.

Humphrey Carpenter, autor entre otros libros de una biografia del poeta W.H. Auden, narra en esta obra la larga carrera de J.R.R. Tolkien desde las vicisitudes de una infancia dificil a los trabajos y obligaciones de la vida academica, como profesor en la Universidad de Oxford. Carpenter ha escrito esta primera biografia del creador de la Tierra Media, consultando documentos ineditos, y entrevistando a parientes y amigos.

Beginning readers will be captivated by the creatures they meet in this Spanish translation of Prehistoric Creatures. The simple text describes ancient animals that swam the seas, soared through the skies, and roamed the Earth long before people existed. Each book describes a group of dinosaurs that shared one or two fascinating features. Dazzling illustrations help bring these amazing creatures to life!