Its not even AE's work in the first place. 
Let me put in a simpler way. Same god, different biographies
Why the Judaism and Christianity? Because, remember, i am talking
abt the notion of god, not whether its the exact same god. I dont
think the Jews in Judaism would like to think Christians have the
same notion of god as them, same as Christians to Muslims. Hence,
they dont believe in Jesus, same as Christians dont believe
Mohammed is a prophet of god, and the tonnes of doctrinal
differences.
If you still cant get the idea, sit down , have a cup of coffee
over it. 
If you realise, if brey has from the start say, this is from a
christian author or works, then things would not have gone so
haywire.