La fuerza y el movimiento (Forces and Motion)

Ants are known as one of nature's hardest working animals. Their strength and persistence in bringing food to their colonies have been well documented. Now, beginning readers have a chance to learn about some of the littlest bugs in this volume written just for them. Complete with information about what ants eat, how they live, and generally how they stay so busy, this book is a must-have to satisfy the curiosity of your youngest naturalists. Eye-catching and unique photographs complement the low-ATOS text and aid in comprehension.

Based on the premise that all young people should learn to make decisions, respect themselves, and resolve challenging problems, this book is a self-help guide for adolescents to develop positive thinking, high self-esteem, and personal power. Exercises guide readers through learning about their own feelings, dreams, and needs while stressing that they are responsible for their own behavior and happiness. Situational anecdotes used to enhance the discussion are age-appropriate and relevant to children. Writing and keeping a journal are encouraged, and group exercises make the book useful in...

This upper-level text, perfect for art and culture courses, introduces students to the customs and history of Spain. This volume features a wide variety of readings, cultural activities, and 600 questions about the history, literature, art, and traditions of Spain, as well as a CD-ROM of interactive activities.

Dos frentes abiertos contra la naturaleza en lugares distintos. Por un lado, el incendio de un bosque en Asturias que Luis, miembro de Icona, intentará detener. Por otro lado, la lucha de Daniel, su hijo, para impedir el derribo de los árboles de su calle en Madrid. ¿Quién sadrá victorioso de esta cruenta batalla? Una historia que muestra la importancia de la conservación del medio ambiente.