This is a graphic novel (comic book). “Prowl car” is meant as the act of searching.
The images are photographs. They are very good. I think the story is a way to tie together the photographs.
They story by itself if disjointed. I think the author is aiming for a dream-like disjointed feel. However, being like a dream doesn’t make the story easy to follow. Don’t think of it as a story, but It is more like a series of feelings.
Personally, I'd think this would fit very well with poetic style. However, that might not be the goal.
For what it tries to be, it is very good.
(review of free book)