Celebrated children’s author Kelly Leigh Miller (I am a Wolf; I Love My Fangs) teams with Avatar fandom favorite artist Diana Sim to bring youngAvatarfans and their families this heartwarming tale of love, celebration, and friendship, in collaboration with Nickelodeon andAvatar: The Last Airbenderanimated series writer Tim Hedrick.

Can you imagine not knowing your own birthday?

That’s the situation for Aang, who was frozen in an iceberg for a hundred years! Luckily his friends Katara, Toph, Sokka, and Zuko have a plan to surprise him with a new special day to celebrate. But they’ll have to be careful while they prepareit’s a surprise!