Right now, there are several hundred electronic book publishers on the Internet. But not all. All three books sold well, although the last one didn't have enough sales to make St. Martin's want to publish Anderson's latest book, Lawnmower Blues . So he went to Hard Shell. They are still small and usually have little money for advertising.
Most books find an audience through reviews.
Still, if they can overcome the publicity barrier, electronic book publishing's cost structure gives it a better mousetrap.