The first one's free

[libertango]

Via Techmeme comes this: a free-as-in-beer intro econ textbook from CalTech.

Comments

[farmgirl1146.livejournal.com]

Thank you. I downloaded the PDF and began reading it. It's too late for more reading, but I quickly checked out the Prisoner's Dilemma explanation, and it readily makes sense; something many PD explanations do not.