¿Por qué hibernan los animales? (Why Animals Hibernate)

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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Enciclopedia que descubre las curiosidades, costumbres y récords de los animales a través de espléndidas imágenes y rigurosos textos. ¿Quién es el animal más veloz?¿Cómo cazan los leones? Un libro que recoge, en definitiva, la lucha por la supervivencia en el mundo animal.

Atraer, formar y retener el talento se ha convertido en un proceso trascendental del mundo empresarial moderno, llegando a tomar incluso tintes de una guerra por preservar a los individuos más capaces y talentosos en las filas de las firmas, corporaciones y organizaciones.A través de las páginas de esta obra se pondrán de relieve aspectos esenciales del talento, y se abordarán estrategias para su atracción, formación y retención. A la par, conocerás elementos como la importancia del retorno de inversión en capacitación, sugerencias efectivas de reclutamiento y atractivas formas de...

Take a trip to the place where cows and horses play and fields of crops grow in this Spanish-translated nonfiction book that tours a farm! Early elementary readers will discover the types of farm animals, crops, and different machinery used to run a farm. With informational text, a picture glossary, a map of the farm, and bright, colorful photos, readers will want to learn all about life on a farm!

This New York Times bestseller, now available in Spanish, recounts the true story from Wilson Kimeli Naiyomah of the touching gift bestowed on the United States by a tribe of Maasai Warriors in the wake of the September 11 attacks. In June of 2002, a mere nine months since the September 11 attacks, a very unusual ceremony begins in a far-flung village in western Kenya. An American diplomat is surrounded by hundreds of Maasai people. A gift is about to be bestowed upon the American men, women, and children, and he is there to accept it. The gift is as unexpected as it is extraordinary. Hearts...