Dark Horse Comics
Dark Horse is the main publisher of the ATLA comics, of which there are 6 three part graphic novels, two short story collections and 3 short graphic novels.
Read them free here: https://www.omgbeaupeep.com/comics/Avatar_The_Last_Airbender/
These are as follows:
3 part graphic novels
Short Story Collections
Shorter Graphic Novels
Katara and The Pirate's Silver
For these comics, we're going to review each one.