Un polizón en la maleta

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

Aquí se presentan historias favoritas de la Biblia narradas especialmente para la hora de la lectura. En cada página, las palabras sencillas y respetuosas cobran vida con bellas y alegres ilustraciones. Best-loved Bible stories are especially retold for story time. The simple and respectful words are brought to life with bright and appealing illustrations on every page.

"Despega hacia el espacio en esta aventura interactiva basada en los alunizajes del Apollo. Desde el despegue del cohete hasta el regreso a la Tierra, este libro de no ficción con solapas y lengüetas despertará la curiosidad de los más intrépidos. ¡Un gran mundo puede ser pequenño!"--Casadellibro

Manifest Destiny the name given in the 1840s to a belief that the coast-to-coast expansion of the United States was both inevitable and justified, regardless of the means. Standing in the way were not only the native populations, but also the descendants of Spanish settlers who had lived in the Southwest for centuries. The racist belief that white men rightfully should expand their institutions into the area brought the United States into conflict with Mexico. War was declared in 1846, and by the time the Treaty of Guadalupe Hidalgo was signed in 1848, ending the war, the US had gained...