Right of Frame

The following storyboards illustrate what takes place to the right-of-frame, as Wallace puts it, or outside the confines of the typeset narrative. Despite not being told explicitly, there's enough information given in the book to piece together definitively what happened. 

 

The spoilage potential is obvious in looking at the following right-of-frame & character analysis storyboards before finishing the book or before piecing together the ending for yourself.