Avatar: Seven Havens books three and four have been in the works "for a bit"

Avatar: Seven Havens is only three episodes into season one, but in a remarkable display of confidence, it was confirmed during the show's recent New York Comic Con panel that the Last Airbender sequel series will return for seasons three and four.This, however, wasn't news to Seven Havens co-creator Michael DiMartino, or writer and co-executive producer Sehaj Sethi, who revealed during a conversation with GamesRadar+ that, like The Last Airbender before it, the Seven Havens team have been worki