How do people know that edward's full name is edward anthony mason cullen?

Question: How do people know that edward's full name is edward anthony mason cullen!?

does anyone know!?!?!? SAVE MIDNIGHT SUN!!!!! :'(Www@QuestionHome@Com

Best Answer - Chosen by Asker:

we just know!!! haha jk!.!.!.it's on numerous twilight fan websites!.!.plus we're all TOTALLY obsessed!!! OME if i ever met the person who leaked midnight sun i would honestly break their legs or something!!!!! i'm right with you!.!.!.SAVE MIDNIGHT SUN!!!!!Www@QuestionHome@Com

I absoulutly want to killlll the person who posted the things on midnightsun!!!!!!!!!!!!!!!!!!!!! it is answered in stephenies interviews!.!.!. it might have been in breaking dawn though im not sure and ive read it 6 times lol!.!.!. it is true going on my 7th time for eclipse

-girl who is obsessed with vampires-team edward of courseWww@QuestionHome@Com

it was on stephenie meyers websites!.

and im so mad that one person ruined it for thousands!.
she should still publish it because the parts she wrote were amazing but it ended so soon!!
people would still buy it steph!
Www@QuestionHome@Com

they have full biographies on twilightlexicon!.com
stuff not told in the books
but stephenie meyer told in interviewsWww@QuestionHome@Com