[chajin]

Gore Vidal wrote a bionovel, appropriately entitled Julian (Wikipedia here). I remember reading it in my pre-committed-to-Christ days; it is probably as accurate as anything else Vidal wrote, IYKWIM.

[Antoninus]

Gore Vidal wrote a bionovel, appropriately entitled Julian

I read it too in my college days. Thought it was interesting then, but when I read the actual historical sources it is based on, I realized just how much Vidal had injected his own poisonous ideologies into it.