Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

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.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Spanish edition of the popular Team Spirit series featuring the history, accomplishments, and key personalities of the Chicago White Sox baseball team.

Estaa lleno de imagenes bellas e interesantes que les enseanan a los nianos todo sobre estos animales asombrosos.

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 ...

Un niño mendigo cuenta la historia de cómo un día un caballero le dejó su yegua para que la cuidase. Mientras espera su regreso, varios personajes se le acercan con distintos propósitos: un par de niñas, a las que pide dos barras de pan por dejarles tocar el animal, dos truhanes que tratan de comprárselo... Finalmente, llega un grupo de soldados y le advierten de que el caballo pertenece a un famoso salteador de caminos, Dick Turpin. Se esconden para atraparlo cuando vuelva, pero cae la noche y el niño, agotado, se monta en el caballo y escapa. Sin embargo, todo esto no es más que el ...