J.D. Salinger's Death Sparks e-Run on 'Catcher in the Rye'

It happens all the time: An author/musician/actor dies, and sales of his most famous book/album/film immediately go through the roof. In the case of J.D. Salinger's passing Thursday, we were able to quantify and track the "death effect" in real time thanks to the sales rank feature on Amazon.com and Barnesandnoble.com.