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.

Ants are so important to our ecology that some scientist fell that if ants ever disappear so might humans! SOY UNA SEMILLA es un libro de la serie Hola, lector! que muestra la diferencia entre dos semillas, asi como su evolucion hasta llegar a convertirse en plantas. Los ninos disfrutaran del texto dinamico con el que esta escrito este libro.

From the candiru to the lionfish, there are so many kinds of fish on Earth. While all have different methods of production, the basic life cycle is the same, from egg to spawning swimmers. Readers are introduced to this general cycle as well as the important vocabulary needed to talk about it, such as “fry” and “spawning.” Accessible language and simple diagrams throughout the book provide a way for struggling readers to tackle science curriculum content.

Ernesto es un niño de diez años que vive con su abuela desde que su madre murió y su padre desapareciera. Su existencia no tiene nada de emocionante, hasta que Victoire llega a su clase y se fija en él. ¿Hasta qué punto puede cambiar la vida en un instante? Una historia que habla de las relaciones familiares y la superación de dificultades.

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...