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.

The American Civil Rights Movement of the 1950s and 1960s marked a shift in how African Americans were treated in the United States. This volume highlights the important events and figures that made this movement successful. The book introduces readers to important activists who fought for civil rights by raising their voices and refusing to accept unfair laws. Photographs and primary sources provide readers with a firsthand look at the history of the movement. Finally, readers will learn what can still be done to further equality for African Americans in the United States and how they can be ...

Now in Spanish—What do dogs dream about? Find out the answer to this question and more, with questions covering topics like volcanoes, helicopters and surfers.

¿Pueden funcionar los coches con chocolate en lugar de gasolina? ¿Cómo se forma el arcoíris? ¿Se te ocurren muchas preguntas curiosas? ¡Este libro está lleno de respuestas alucinantes! Sus divertidas ilustraciones y asombrosos datos exploran todo lo que tiene de atractivo, admirable y apasionante nuestro planeta Tierra.

This collection of four titles approaches the four essential ethical topics of the virtues of listening, prudence, patience, and effort. Each of these virtues is highlighted through illustrated mini stories so children can understand the importance of nurturing and strengthening them in themselves and in others.