El cofre de Nadie

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.

Introduces the many levels of government leadership in the United States and discusses the presidency, Congress, state and local governments, and the judiciary.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

"Una niña de nueve años, divertida y muy madura se enfrenta a la separación de sus padres, obligada a escoger entre la aparente estabilidad que le ofrece su madre y la vida bohemia y despreocupada junto a su padre en el campo. Una novela tierna, fresca e ingeniosa."--Casadellibro.