Takes place two years before the beginning of Book One, uncovering the story behind Ty Lee's departure from her noble life to join the circus. Based on Nickelodeon AVATAR: THE LAST AIRBENDER created by Bryan Konietzko and Michael Dante DiMartino. Nickelodeon AVATAR: THE LAST AIRBENDER and all related titles, logos and characters are trademarks of Nickelodeon and Viacom International, inc.