El Tombuctú

Profiles a Mexican woman who saved more than twenty Texan rebels taken prisoner during the Texas Revolution from being shot under General Santa Anna's orders.

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.

Aprende y Descubre La Ciencia Co mo crece una semilla Co mo puede una pequen a bellota crecer hasta llegar a ser un gran roble? Este libro nos ensen a los secretos de las semillas. Le elo y aprendera s a transformar un sobre de semillas en un precioso jardi n.

Describes, in text and illustrations, the technological challenges involved in the design and construction of skyscrapers, oil rigs, nuclear reactors, and other complicated structures.