Sam B. won Avatar Book 3 Volume 4. Congratulations!!

Look at what he won:

 

Synopsis:

The kids return to the Fire Nation and prepare for their final confrontation with Firelord Ozai, but they discover that the Firelord has plans of his own: he has ordained himself Phoenix King and appointed Princess Azula as the next Firelord.

In the spectacular four-part finale of Avatar Book 3: Fire, Aang fulfills his destiny as the Avatar and confronts the Firelord in the greatest battle of the series.