Hijos de Mundo Anillo
Larry Niven
Mundo anillo (4)
Structure and Interpretation of Computer Programs, second edition
Harold Abelson & Gerald Jay Sussman
You'll Come Back to Yourself
Michaela Angemeer
Hogwarts: An Incomplete and Unreliable Guide
J.K. Rowling
A Briefer History of Time
Stephen W. Hawking & Leonard Mlodinow