These comics are mostly set in time after the TV shows. They are canon: some of them were authored by one of the originators of the series. Dark Horse Comics is the publisher. To buy physical versions of these comics, go to darkhorse.com.

ATLA => Avatar: The Last Airbender
LoK => Legend of Korra

Helpful folders:

> 13 Read 2 otherwise-unavailable ATLA & LoK comics online

The two "Read Online" files in this folder are internet shortcuts  to comics on the Dark Horse site, that are not available anywhere else. In order to read the comics, you will first need to register with the site. That done, just double-click the "Read Online" files to start reading the comics.

> 99 Helpful web sites (double-click the internet links)

This folder contains an internet shortcut "How To Get Into The Comics - Reddit" that gives an excellent orientation to the comics -- the different series and formats. Just double-click the shortcut to open the Reddit page in your default browser. There are other helpful shortcuts in the folder.