al salam 3alaykom

i am building a small assembler .. i need some help

if somebody knows anything about the .OBJ file specifications
(its structure and so on..)or knows some good AND EASY TO UNDERSTAND sites about it plz help

thanks

What exactly you are trying to do ?

There is Books about the obj file format .. I am not sure if there is an easy to understand online site which explains that.

whould u plz tell where can i find such books in cairo