it's ok for inner journeys.
Because Jason goes on a hunt to find his identity (the inner journey) after failing his mission and amesnisia. Then gains greater understanding (changes a little) and moves away to India, but it's more of a revenge than inner journeys.
You can argue it which ever way you like and it could be good for an essay.
I say it could be because that would depend on your examiner.
Teachers would say it's really unsophisticated, while some other teachers would say it's original.
So it's kind of a 50/50 gamble. I'm sure there's other more appropiate texts that can relate to Cosi and Stimulus Booklet.