By Dani Greer, Chief Red Pencil It hasn't been very long since the traditional publishing model meant printing a hardcover edition of a new book, then following that with a low-cost paperback edition, and maybe, if the publisher was really sharp, making an e-book available on the heels of print. In today's rapidly changing publishing environment, all three versions of the book are usually published simultaneously, or at least within very narrow time-frames. This gives readers all the options quickly, and multiplies the opportunities for sales. In the past year, a growing number of publishers have started printing new titles in only e-book version first, presumably capitalizing on the success of indie authors who have discovered the potential of feeding the e-reader market. Later, if e-book sales proved successful, the door might remain open for a print run, particularly if libraries and schools demanded the title for their shelves. But fast disappearing are the days of larg...