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

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.

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.

Following the bestselling "Family Pictures, In My Family/En Mi Familia" is Garza's continuing tribute to the family and community that shaped her childhood and her life. Vibrant paintings and warm personal stories depict memories of growing up in the traditional Mexican-American community of her hometown of Kingsville, Texas.

Silenciosa y tímida, Marina es la cuarta de siete hermanos y siempre tiene la impresión de que en su casa no saben ni que existe. Un verano, su familia decide pasar las vacaciones en un pueblo remoto que, de tan tranquilo, es un completo aburrimiento. En ocasiones la vida ofrece una segunda oportunidad para superarse a si mismo. Una historia sobre el crecimiento personal y el valor para afrontar las dificultades de la vida.

Groups of American Indians had been living in the Texas region for thousands of years when American settlers decided to expand westward. This captivating book has been translated into Spanish and explores the history of American Indians in Texas and how each group found different ways to live in the region they inhabited. Readers will learn about a variety of tribes, including Karankawa tribe, Jumano, Caddo, Lipan Apache, and Shoshone and discover how they struggled to survive European colonization, the Indian Removal Act, and American expansion. Other topics include the Dawes Act, Indian...

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Selected Summaries" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of the following: A Journey Through The Economy Of Our Time, History Of The Economy, The Culture Of Satisfaction, A Better Society, among others.