Los estados de la materia — Los gases

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.

Before Texas was part of the United States, it was a nation of its own. After gaining independence from Mexico in 1836, Texas declared itself a republic. Interesting features, including a timeline and a map, guide readers through this conflict-filled period of Texas history.

Un día un conejo hambriento salió a buscar algo que comer. Todo estaba cubierto de nieve, y no encontraba nada. Finalmente vio una manzana roja que colgaba de un árbol. Pero no podía alcanzarla. Y fue a buscar ayuda... Un precioso álbum sobre la cooperació

Este libro te enseña acerca de la depresión. Aprenderás cuáles son los síntomas, los tratamientos y cómo conseguir ayuda para una persona que padece este mal.

Easy to understand, lighthearted contrasts of color make clever, instructional use of repetition, both of word and sentence structure.