Lon L. Fuller
Legal fictions
Anatomy of law
El caso de los exploradores de cavernas
ESSENCIAL DO DIREITO, 3 VOLUMES
Fuller, Eisenberg and Gergen's Basic Contract Law, Concise 9th
Legal Fictions
O caso dos exploradores de cavernas
O Essencial do Direito - Box Especial
The Morality of Law
Anatomy of the law
Anatomy of the law (Britannica perspectives)
Basic contract law