Revision: How to Add a Whole New Character

So when Tricia asked me for revisions, one of the things she wanted (which I totally agreed with) required adding one or two new characters. I'd never actually done this before, and I was afraid the new characters would feel flat or tacked on. Here's what I did to avoid that:



1) Define the character. This is the novel that got me my agent, so the existing characters were pretty fleshed out. I wanted to make the new characters as deep as I could -- goals, motivations, even voice -- before I...