The 2009 film Agora, starring Rachel Weisz, has a portrayal of the period. Of course it's not a historical document and subject to interpretation, but it is one

The 2009 film Agora, starring Rachel Weisz, has a portrayal of the period. Of course it's not a historical document and subject to interpretation, but it is one perspective at least. Also there's a novel about Julian by Gore Vidal — I haven't read it but Julian was the last pagan emperor who unsuccessfully tried to receive Hellenic religion and stem the tide of Christianity.