Los ciclos de vida — Las Mariposas

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 gases have no size or shape? Gases can become liquids when they get cold. Discover more interesting facts in Gases, part of the States of Matter 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.

What has a striped tail, red fur, and long, white whiskers? If you guessed a red panda, you're right! This book introduces early readers to a mystery animal by describing its features, one by one, using short simple sentences and eye-popping full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals--one clue at a time! Fast facts and habitat maps at the end of the book provide children with key...

In 1789, George Washington became the first president of the United States. With over 100 black-and- white illustrations, the fascinating story of "the father of our country" comes to life in Spanish - revealing the real man, not just the face on the dollar bill!

Explains the process of making a book by following the production of Nancy Carlson's book, "It's Not My Fault!," through its stages of writing, illustrating, editing, designing, printing, and binding.

Este texto de Química, dirigido a los alumnos de segundo curso de Bachillerato fue diseñado y proyectado para conseguir unos objetivos: pretende, partiendo de unos contenidos mínimos, conducir al alumno hasta aquellos que, por ser necesarios para afrontar una enseñanza superior, le serán exigidos por la Universidad o una Escuela Técnica. También incluye una serie de problemas con sus soluciones.