Eternas inquietudes

Eran unos gavilanes que vivían el campo. Donde solo había aves y otros animales , ellos nunca habían visto gallinas,pero al verlas todo cambió para ellos ,ya no cazaban otro cosa sino querían comérselas, pero el viejo siempre estaba pendiente

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

This illustrated book teaches children everything they need to know about taking care of kittens from picking one out to what to do when they get sick.

Readers will learn all about World War I, or the Great War, in this appealing Spanish-translated book that highlights how the war began in Europe as a military rivalry between France and Germany. The intriguing facts, engaging sidebars, and supportive text work in conjunction with the impressive images and colorful scrapbook layout to teach readers about such WWI topics as neutrality, alliances, propaganda, liberty bonds, communism, and how General John Pershing led Americans in the war.