Story structure for Book Four

I have been tracing out the structure of the story for Book Four of the Storyteller’s Quest using as a starting point the two chapters already written. It’s not an easy task because I need to keep track of not only all the characters but also four (or rather three and a half) separate worlds in which the action is taking place. My diagram is riddled with little notes like: How did they do that? Who will do that? …