Increíble pero real: Animales extraños (Strange but True: Bizarre Animals)

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).

A collection of simple prayers arranged in such categories as "Mi hora de comer," Mis sentimientos," and "Mis días especiales.

Learn about Clara Barton, a nurse and founder of the American Red Cross, with this exciting Spanish nonfiction book. Ideal for young readers, the book includes a short fiction piece related to the topic, an additional project, discussion questions, and ot

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.