Behavior Modification

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.

En palabras del propio Octavio Paz "este libro se fue haciendo poco a poco a través de los años, sin un plan fijo". La edición que hoy se publica se fue gestando durante más de cincuenta años y el título, "Libertad bajo palabra", nombra varios textos publicados a lo largo de la vida del poeta. Un libro que es también una vida, tal como su autor la ha reescrito sucesivamente. La colaboración del propio Octavio Paz, aclarando problemas del texto y señalando las fuentes de algunas alusiones, ha sido definitiva para el establecimiento de esta edición. -- From publisher's website.

Introduces the concepts of short and tall, comparing some of the world's shortest and tallest animals.

Describes tornadoes, how they form, and the tools scientists use to predict them--in both English and Spanish

Landsat satellites orbit the Earth to get images. Learn how these images are made using heat. Then, find out how these cutting-edge satellites are helping save the planet! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in a STEAM field. Discover engineering innovations that solve...