- The Lean Startup, by Eric Rives - The Long Tail, by Chris Anderson - The Blue Ocean Strategy, by W. Chan Kim - On the shortness of life, by Seneca - 1984,

- The Lean Startup, by Eric Rives - The Long Tail, by Chris Anderson - The Blue Ocean Strategy, by W. Chan Kim - On the shortness of life, by Seneca - 1984, by George Orwell