It has only one manga though, what are you talking about?
Here’s the link to the manga
http://www.mangago.zone/read-manga/shingeki_no_kyojin/
http://www.mangago.zone/read-manga/shingeki_no_kyojin_birth_of_levi_kuinaki_sentaku/
http://www.mangago.zone/read-manga/shingeki_kyojin_chuugakkou/
http://www.mangago.zone/read-manga/shingeki_no_kyojin_before_the_fall/
http://www.mangago.zone/read-manga/shingeki_no_kyojin_lost_girls/
http://www.mangago.zone/read-manga/attack_on_titan_anthology/
https://en.wikipedia.org/wiki/List_of_Attack_on_Titan_chapters#Manga
Opp- I feel stupid now (￣ε(#￣)Σ
nooo, I was the same. I wanted to start read it again and the easiest way to find it was just to write the name and search it and the result made my like 'oh sh.. where should I start now' :))))
hi guys! can someone tell me the correct order to read the attack on titan, I mean with which manga should I start. or to give me a chronological order of all of them (without dj please). thanks a lot