Nickelodeon Avatar: the Last Airbender-Imbalance Library Edition Brand New/ Sealed Immerse yourself in the mystical world of Nickelodeon Avatar: the Last Airbender with this stunning Imbalance Library Edition from Dark Horse Comics. Featuring the captivating Dark, this modern age fantasy graphic novel is a must-have for any avid collector. The cover art by Peter Wartman perfectly captures the essence of the beloved character and adds to the overall allure of this edition.