The 6th Csound FLOSS Manual is now available as a book. The text is already available online, but a paper book can provide a fresh perspective.
This huge and heavy book can be purchased online at Lulu: click here
The goal of this manual is to provide an easy-to-read introduction to Csound. It is intended as an introduction-tutorial-reference hybrid, gathering together the most important information you will need for working with Csound in a variety of situations.