Scrivener is a hands down the best software available right now for writing a chapter book. You can easily outline, collect research, and organize your work, and it is possible to export into almost any format from your one source document. It's also very cost-affordable compared to some of it's competition.
In this training, Joseph Michael from Learn Scrivener Fast is going to share some tips and tricks for how to get the most out of Scrivener with the least effort and learning curve. (Check out his program if you want to learn how to use all of the features available.)