Jon's probably one of the most underrepresented characters in fics right now, unfortunately, but there are some excellent fics out there. I would rec all of i_am_your_spy's fics, especially her "Ordinary World" series. orangesparks has written some very good fics about rarer pairings and characters.
...and probably more I'm forgetting. (I'd personally recommend starting backwards in the archives and then working forwards...a lot of the post-movie release output is not good.) I'm working on a more comprehensive recs list that I hope to have up in the near future. (And it should be noted that most fics are bookverse.) Hope that helps!
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As for comms, there's:
...and probably more I'm forgetting. (I'd personally recommend starting backwards in the archives and then working forwards...a lot of the post-movie release output is not good.) I'm working on a more comprehensive recs list that I hope to have up in the near future. (And it should be noted that most fics are bookverse.) Hope that helps!