¡Voy a tener un hermanito!

Plants are living things that grow and change. Over time, plants have made remarkable adaptations to suit the habitats in which they live. Simple text and beautiful images highlight how plants have adapted to life in the Arctic, in aquatic environments, and in other habitats such as those in deserts and grasslands.

A finales del porfiriato tuvo lugar un movimiento que despertó el interés del mundo entero, la Revolución mexicana. Parteaguas de los conflictos que más tarde recorrerían Latinoamérica, rápidamente se convirtió en uno de los momentos más apasionantes de la historia de México. Mediante un fino análisis -que da cuenta del carácter perdurable que ha convertido a Zapata y la Revolución mexicana en clásico para estudiar la Revolución-, John Womack nos ofrece un brillante relato en torno a una de las figuras más representativas de la Revolución, Emiliano Zapata. Líder de la...

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.

Each player has his or her own job in soccer and baseball. They each do their part to contribute to the team. Teamwork is also important outside of sports. We use teamwork in our classroom, in our community, and at home with our family. Readers are presented with different scenarios in which young people use teamwork to achieve a certain goal, like when Nicole's neighbor becomes ill, everyone in the neighborhood takes on a job with the goal of helping the sick neighbor. Each spread contains a color photograph that imparts the importance and rewards of working as a team.