Mandaderos de la lluvia y otros poemas de América Latina

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.

El amor y la amistad también se construyen dialogando. Algunos piensan que la amistad puede nacer y desaparecer en un solo instante, otros opinan que una amistad verdadera dura toda la vida... No hay una única respuesta para las grandes preguntas de la vida. No existe sólo una forma de pensar. Cada quien debe construir, buscar, construir la suya propia. Doce ideas sobre el amor y la amistad se confrontan en este libro.

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.

In 1862, the American Civil War was underway, actively tearing the United States apart. At the start of the war, President Abraham Lincoln's main goal was preserving the Union, but he was now ready to make a stand on slavery. The Emancipation Proclamation was one of the most important documents of its time, but its contents can be confusing. This volume gives readers context for the proclamation, as well as explains what it says and its results, in uncomplicated language appropriate for those reading below level and those looking for a review of this subject.