This is what I am doing.
Created a timeline in Premiere Pro.
Defined chapters in the same timeline at different times.
Exported to Encore using File | Adobe Dynamic Link.
In Encore
Created the Menu with a picture in the background
Dragged the Chapter markers on the timeline to the menu and it made buttons.
Went to the Flowchart and changed the End Action of each chapter to the next chapter.
The last one back to the menu | Default
Doesn't work...
All the end actions change at the same time when I change any chapter end action.