Arizona, el Estado del Gran Cañon

Se presenta una cuidada edición de uno de los manuscritos más antiguos sobre el arte de la navegación. Se trata del Ms. 46 de la Biblioteca General Histórica de la Universidad de Salamanca, cuya reproducción facsimilar se incluye a todo color, precedida de una detallada introducción, desdoblada en la doble vertiente histórica-astronómica, así como el estudio sobre las mismas, debidamente anotado por los autores, especialistas de referencia en sus respectivas disciplinas. Se completa con la transcripción, que facilita la comprensión, al corregir algunos aspectos erróneos en...

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impacts it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, children will be inspired and engaged as they read through this book. This 6-Pack includes six...

The Mi Mini Biografia series are Spanish language biographies for the earliest readers. This book examines the life of Martin Luther King, Jr. in a simple, age-appropriate way that will help children develop word recognition and reading skills. Includes a timeline and other informative backmatter.