From Dark Horse:
For three years, millions of eager fans tuned in to watch new episodes of Nickelodeon’s hit animated series Avatar: The Last Airbender. Ever since, fans have been hungry for more and now their wait is finally over. This volume collects the long-out-of-print, fan-favorite comics previously published in Nickelodeon Magazine and with the Airbender DVDs, plus over seventy brand-new comics pages. That’s twenty-six stories set in Airbender continuity, by a host of top-notch talent, many of whom worked on the original animated series. Twenty-six in-continuity stories, plus bonus content.

Book One: Water
Bee Calm
Water War
Don't Blow It
Relics
Fruit-Stand Freestyle

Book Two: Earth
Sleepbending
Lessons
Sokka the Avatar
Dirty Is Only Skin Deep
Divided We Fall
Reach For the Toph
It's Only Natural
Going Home Again
The Bridge

Book Three: Fire
Private Fire
Night Animals
Boys' Day Out
Ember Island Arcade
Monster Slayer
Combustion Man on a Train
Swordbending
No Benders Allowed
Love Is A Battlefield
Dragon Days
Game Time
Bumi vs. Toph, Round One

Bonus Stories
New Recruits
Gym Time