El libro secreto de las niñas

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.

La vida puede volverse de pronto el peor circuito de carreras. Esa es la impresión que tienen Javier y Paula cuando descubren, con 15 años, que van a ser padres. A partir de ese momento, aunque los adultos de su entorno sean un apoyo, tendrán que ser ellos los que tomen sus propias decisiones.

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

The jaguar is a ferocious animal that roams in areas of dense vegetation. He is the keeper of the American forests. The jaguar is strong, beautiful, famous, vain and a lonely animal. Young readers will be delighted with the jaguar as they learn more about this cat and his habitat.