[dman]

Used on amazon.

[tsm]

I wish.

http://www.amazon.com/Artificial-Intelligence-Modern-Approac...

[Malcx]

Look to the international editions. These are often shipped from India - quite thin paper but the same content:

http://www.abebooks.com/products/isbn/9780136042594

[andyking]

Won't the second-hand price of this particular book be pushed up by the numbers of people after it for the free Stanford AI class that uses it?

[fuzzythinker]

The price drop after the class is over may be higher than the increase.

[dman]

Tracking price and availability of used books might be interesting to plot against course difficulty ramp up.