e-songs sell much higher volume. Therefore, e-books must cost more to cover the fixed costs (someone else posted a breakdown of book-costs in an earlier thread).<p>Edit: <a href="http://www.tobiasbuckell.com/2010/01/31/why-my-books-are-no-longer-for-sale-via-amazon/" rel="nofollow">http://www.tobiasbuckell.com/2010/01/31/why-my-books-are-no-...</a>