While not specifically about eBooks, the 'Conclusions' section of this post http://beginningruby.org/what-ive-earned-and-learned/ http://beginningruby.org/what-

While not specifically about eBooks, the 'Conclusions' section of this post http://beginningruby.org/what-ive-earned-and-learned/ http://beginningruby.org/what-ive-earned-and-learned/ by Peter Cooper does a good job detailing why one might - and might not - want to write a book.