How many telephone books are sold in the US?
Um. I think phone books are free.
Random House estimates the Fallen series has sold around 2 million copies in the US. Because Random House does not publish Fallen internationally, they do not collect sells figures for other countries. The general concensus is that the Fallen series has sold in excess of 5 million books worldwide, as of Nov 1, 2011.
Many more people than one would expect read books in the US. You can go to cafes, schools, libraries, bus stops, trains, and airplanes and see people reading. More than a million books are sold each day. Reading from books are not dead yet. Some people prefer reading from books than from reading off computers. People can actually hold books, and they don't hurt your eyes like computers do. So to answer your question, quite…