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.

Susi tiene un diario, y en él escribe todas las cosas que le van sucediendo cada día. Paul también tiene un diario en el que escribe lo que le sucede. ¿Coincidirán los puntos de vista de los niños sobre los mismos acontecimientos? Una historia sobre la amistad y el devenir de la vida.

Gente que hay que conocer is a series of biographies designed for beginning readers. Each book introduces one of the most important individuals in recent times and explains what makes her or him so remarkable. People We Should Know, a companion English-language edition, is also available.

Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.

What does this Spanish-translated book, a table, and your big toe have in common? They are all solids! A solid keeps its shape and always has the same volume. Read this Spanish-translated book to learn about solids and how they are different from liquids and gases.