California en el siglo XX (California in the 20th Century)

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.

Raíces es un libro de poemas, aforismos y prosas que aborda algunos de los grandes temas de la historia poética: amor, sueños, infancia, la mirada y la lectura. Este libro es el resultado del trabajo y el compromiso de Asier Aldea Esnaola por retratar literariamente sus pasiones e inquietudes juveniles con un estilo inspirado por los poetas de antaño. “El buen libro se lee susurrándoselo al escritor. No importa si ya ha muerto, si vive, si alguna vez coincidieron, o si no; es indiferente. El lector se lo imagina a su lado, muy pegado, escuchándole atento, curioso, tan real como el...

Readers will learn all about the United States' westward expansion in this interesting nonfiction Spanish-translated book, which uses appealing images, helpful maps, and supportive text to keep children engaged from beginning to end!

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...