¿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.

(Este libro es solo valido para ESPAÑA) A estas alturas te estarás preguntando ¿Cómo es posible que me vayan a pagar por repostar? Pues sí, puedes disfrutar de un descuento sobre tu consumo tanto en Gasolineras Cepsa como en Gasolineras GALP (Entre otras ventajas que te iré detallando. Ciertas gasolineras, talleres y seguros de vehículos hacen descuentos a empresas y colectivos, en este libro os ofrezco una posibilidad de pertenecer a un colectivo de forma totalmente gratuita, que te permitirá obtener las tarjetas de descuento de estas gasolineras y todas las ventajas. CON COSTE 0 Si, ...

Our teens hold the future in their hands. Battle Cry for a Generation tells us why and how to reclaim our youth for Christ. Spanish version of Ron Luce's bestseller.

An introduction to ostriches, including their size, diet, and everyday behavior and highlighting differences between those in the wild and those living in zoos.

Sitting Bull first went to battle at the age of 14. He grew to be widely respected for his bravery and insight, and became chief of the Lakota nation in his thirties. By the time he met General Custer at the Battle of Little Big Horn, his courage was legendary. Though he soundly defeated Custer, public outrage at the defeat brought thousands of cavalrymen to the area, where it took four more years before the brave chief would surrender. He was forced onto a reservation where he was later killed when police attempted to arrest him.